Monetary unit sampling (MUS) is the most commonly used statistical method of samplingfor tests of details because of its simplicity and its ability to provide statistical resultsin dollars. Read an article titled “Monetary-Unit Sampling Using Microsoft Excel” thatappeared in the May 2005 issue of The CPA Journal (www.nysscpa.org/cpajournal/2005/505/essentials/p36.htm) to answer the following questions.a. The authors suggest that there are three critical steps in applying MUS. What arethese steps?b. How do the authors indicate that an MUS sample size is determined?c. What two factors must be considered when evaluating the results of the sample?

Monetary unit sampling (MUS) is the most commonly used statistical method of samplingfor tests of details because of its simplicity and its ability to provide statistical resultsin dollars. Read an article titled “Monetary-Unit Sampling Using Microsoft Excel” thatappeared in the May 2005 issue of The CPA Journal (www.nysscpa.org/cpajournal/2005/505/essentials/p36.htm) to answer the following questions.a. The authors suggest that there are three critical steps in applying MUS. What arethese steps?b. How do the authors indicate that an MUS sample size is determined?c. What two factors must be considered when evaluating the results of the sample?

Auditing: A Risk Based-Approach (MindTap Course List)

11th Edition

ISBN:9781337619455

Author:Karla M Johnstone, Audrey A. Gramling, Larry E. Rittenberg

Publisher:Karla M Johnstone, Audrey A. Gramling, Larry E. Rittenberg

Chapter8: Specialized Audit Tools: Attributes Sampling, Monetary Unit Sampling, And Data Analytics Tools

Section: Chapter Questions

Problem 15RQSC

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Evan Kristopher, CPA intends to use probability-proportional-to-size sampling. He has properly selected and audited a sample of 100 accounts receivable from his client’s population of 3,000 accounts. He calculated a sampling interval of $6,000 and the tolerable misstatement for the account is $30,000. Evan also recalls that “basic precision” is equal to the appropriate reliability factor multiplied times the sampling interval. He wishes to accept a risk of incorrect acceptance of 10%. He found that 97 of the 100 accounts in the sample were properly calculated. However, the following three errors existed: Book Value Audited Value $75 $70 1,000 750 9,300 6,720 Required: Calculate the projected misstatement. Calculate the basic precision. Calculate the incremental allowance. Calculate the upper limit on misstatement. What would the auditors’ conclusion be for the population based on the analysis? explain please
Evan Kristopher, CPA intends to use probability-proportional-to-size sampling. He has properly selected and audited a sample of 100 accounts receivable from his client’s population of 3,000 accounts. He calculated a sampling interval of $6,000 and the tolerable misstatement for the account is $30,000. Evan also recalls that “basic precision” is equal to the appropriate reliability factor multiplied times the sampling interval. He wishes to accept a risk of incorrect acceptance of 10%. He found that 97 of the 100 accounts in the sample were properly calculated. However, the following three errors existed: Book Value Audited Value $75 $70 1,000 750 9,300 6,720 Required: Calculate the projected misstatement. Calculate the basic precision. Calculate the incremental allowance. Calculate the upper limit on misstatement. What would the auditors’ conclusion be for the population based on the analysis?
Discovery and Sequential Attributes Sampling. Sydney Siebenthaler, the audit managerfor Jennifer’s Running Shirts Inc., has just returned from a continuing education class onaudit sampling and now wants to use discovery sampling or sequential sampling on the Jennifer’s audit because the class instructor said that the sample sizes would be significantlysmaller. “Talk about a no-brainer!” Siebenthaler exulted.Jennifer’s has good controls, and the audit team has performed tests of controls over thepayroll procedures in previous years to reduce substantive tests of payroll accounts to onlyanalytical procedures. In the previous year, the audit team used the following parameters:risk of overreliance, 10 percent; expected population deviation rate, 2 percent; and tolerablerate of deviation, 10 percent, which resulted in a sample size of 38. The auditors increased(rounded) the sample size to 40 items, and one deviation was found. The resulting ULRDrate was 9.4 percent, and the control was…
Monetary Unit Sampling. Georgie Costanza, CPA, is auditing the accounts receivable of Vandalay Industries and is considering the use of MUS techniques. Costanza has a number of questions regarding the use of MUS and has asked you to provide answers to them. Required:a. Under generally accepted auditing standards, can Costanza use nonstatistical sampling inthe examination of Vandalay accounts receivable?b. What are the advantages to using statistical sampling in the audit?c. What are the risks associated with sampling, and to what type of losses do they exposeCostanza?d. How does Costanza establish the appropriate level of the risk of incorrect acceptance?e. Is Costanza permitted to specify that certain items be examined, or do all items need tobe randomly selected?f. How can Costanza increase the likelihood that the items in the sample are representativeof the population?g. Other than the dollar amount of the misstatements, are any other factors important forCostanza to consider with…
Sample Size Determination. Review each of the following independent sets of conditions.Required:Use AICPA sample size tables to identify the appropriate sample size for use in a statistical sampling application (ROO = risk of overreliance, EPDR = expected population deviation rate, TRD = tolerable rate of deviation). What is your conclusion regarding the relationship of each of these factors to sample size based on comparing the sample sizes across differentcombinations of these factors?a. ROO = 5%, EPDR = 0%, TRD = 7%.b. ROO = 5%, EPDR = 3%, TRD = 7%.c. ROO = 5%, EPDR = 3%, TRD = 6%.d. ROO = 10%, EPDR = 0%, TRD = 7%.
Audit sampling involves applying an audit procedure to less than 100 percent of the population for the purpose of evaluating some characteristic of the population. The fact that an audit involves sampling is noted in the scope paragraph of the auditor’s report, which contains the phrase “An audit includes examining, on a test basis.” When an auditor uses sampling, an element of uncertainty enters into the auditor’s conclusions.Required:a. Explain the auditor’s justification for accepting the uncertainties that are inherent in the sampling process.b. Discuss the uncertainties that collectively embody the concept of audit risk.c. Discuss the nature of sampling risk and nonsampling risk. Include the effect of sampling risk on tests of controls.
Sample Size and Sampling Interval Determination: Monetary Unit Sampling. CaseyPaul is considering the use of MUS in examining Stanley’s accounts receivable, which wererecorded at $300,000. Using the audit risk model, Paul has identified a necessary risk ofincorrect acceptance of 10 percent and has established a tolerable misstatement of $25,000and an expected misstatement of $10,000.Required:a. Determine the necessary sample size for the audit of Stanley’s accounts receivable.b. Based on the sample size determined in part (a), what is the appropriate sampling interval?c. Briefly describe how Paul would select the sample from a computerized customer listthat Stanley maintains.d. How would each of the following changes in Paul’s sampling plan impact the sample size andsampling interval? For each change, use the original parameters noted in the problem. (Verifyyour answer by calculating the sample size associated with each change.)1. A reduction in the necessary level of the risk of…
The following are auditor judgments and attributes sampling results for six populations. Assume large population sizes. 1 2 3 4 5 6 EPER (in percent) 2 0.5 1 0 2 5 TER (in percent) 6 4 20 3 8 10 ARO (in percent) 10 5 10 5 5 10 Actual sample size 100 100 20 100 60 60 Actual number of exceptions in the sample 2 3 1 1 1 5 For each population, did the auditor select a smaller sample size than is indicated by using the attributes sampling tables in Table 15-8(p. 519) for determining sample size? What are the implications of selecting either a larger or smaller sample size than those determined using the tables? Calculate the SER and CUER for each population. For which of the six populations should the sample results be considered unacceptable? What options are available to the auditor? Why is analysis of the exceptions necessary even when the populations are considered acceptable? For…
Can someone please help? Thank you. John and Susan are discussing the various audit sampling techniques available to auditing firms after their auditing class one day. John mentions to Susan that he heard the auditing professor discussing standard deviation and sample size as part of classical variables sampling and was confused as he always thought standard deviation had more to do with statistics than auditing. John asks Susan if she understood what the professor was referring to, and if there is any connection to classical variables sampling. What is Susan's best response to this question.
Sample Size and Sampling Interval Determination: Monetary Unit Sampling. Reagan Simmons is conducting the audit of Ace Inc., and is using MUS to select a sampleof inventory items for examination. The recorded balance in Ace’s inventory account was$1,200,000. In carrying out the sampling plan, Simmons established a risk of incorrectacceptance of 5 percent, a tolerable misstatement of $100,000, and an expected misstatement of $20,000.Required:a. What parameters would Simmons consider in determining the sample size for Ace’sinventory?b. How would Simmons identify or establish each of these parameters?c. Determine the necessary sample size for the audit of Ace’s inventory.d. Based on the sample size determined in part (c), determine the appropriate samplinginterval.e. Briefly describe how Simmons would select the sample from a computerized inventorylist that Ace maintains.
Mistakes in a Monetary Unit Sampling Application. Kelsey Mead, CPA, was engaged toaudit Jiffy Company’s financial statements for the year ended August 31.For the current year, Mead decided to use MUS to select accounts receivable for confirmation because MUS uses each account in the population as a separate sampling unit.Mead expected to discover many overstatements but presumed that the MUS sample sizestill would be smaller than the corresponding sample size for classical variables sampling.Mead reasoned that the MUS sample would automatically result in a stratified samplebecause each account would have an equal chance of being selected for confirmation. Additionally, the selection of negative (credit) balances would be facilitated without specialconsiderations.Mead computed the sample size using the risk of incorrect acceptance, the total recordedbook amount of the receivables, and the number of misstated accounts allowed. Meaddivided the total recorded book amount of the receivables…
In calculating the projected misstatement in monetary unit sampling, accounts with a book value larger than the sampling interval are extended to the projected misstatement at their: Misstatement amount. Actual book value. Tainting percentage times the sampling interval. Tainting percentage times their book value.