Managerial Accounting: The Cornerstone of Business Decision-Making
Managerial Accounting: The Cornerstone of Business Decision-Making
7th Edition
ISBN: 9781337115773
Author: Maryanne M. Mowen, Don R. Hansen, Dan L. Heitger
Publisher: Cengage Learning
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Chapter 10, Problem 65P

Mantenga Company provides routine maintenance services for heavy moving and transportation vehicles. Although the vehicles vary, the maintenance services provided follow a fairly standard pattern. Recently, a potential customer has approached the company, requesting a new maintenance service for a radically different type of vehicle. New servicing equipment and some new labor skills will be needed to provide the maintenance service. The customer is placing an initial order to service 150 vehicles and has indicated that if the service is satisfactory, several additional orders of the same size will be placed every 3 months over the next 3 to 5 years.

  Mantenga uses a standard costing system and wants to develop a set of standards for the new vehicle. The usage standards for direct materials such as oil, lubricants, and transmission fluids were easily established. The usage standard is 25 quarts per servicing, with a standard cost of $4 per quart. Management has also decided on standard rates for labor and overhead. The standard labor rate is $15 per direct labor hour, the standard variable overhead rate is $8 per direct labor hour, and the standard fixed overhead rate is $12 per direct labor hour. The only remaining decision is the standard for labor usage. To assist in developing this standard, the engineering department has estimated the following relationship between units serviced and average direct labor hours used:

Chapter 10, Problem 65P, Mantenga Company provides routine maintenance services for heavy moving and transportation vehicles.

As the workers learn more about servicing the new vehicles, they become more efficient, and the average time needed to service one unit declines. Engineering estimates that all of the learning effects will be achieved by the time that 320 units are produced. No further improvement will be realized past this level.

Required:

  1. 1. Assume that the average labor time is 0.768 hour per unit after the learning effects are achieved. Using this information, prepare a standard cost sheet that details the standard service cost per unit. (Note: Round costs to two decimal places.)
  2. 2. CONCEPTUAL CONNECTION Given the per-unit labor standard set, would you expect a favorable or an unfavorable labor efficiency? Explain. Calculate the labor efficiency variance for servicing the first 320 units.
  3. 3. CONCEPTUAL CONNECTION Assuming no further improvement in labor time per unit is possible past 320 units, explain why the cumulative average time per unit at 640 units is lower than the time at 320 units. Show that the standard labor time should be 0.768 hour per unit. Explain why this value is a good choice for the per-unit labor standard.
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Chapter 10 Solutions

Managerial Accounting: The Cornerstone of Business Decision-Making

Ch. 10 - What are control limits, and how are they set?Ch. 10 - Explain why the materials price variance is often...Ch. 10 - The materials usage variance is always the...Ch. 10 - The labor rate variance is never controllable. Do...Ch. 10 - Prob. 15DQCh. 10 - What is kaizen costing? On which part of the value...Ch. 10 - What is target costing? Describe how costs are...Ch. 10 - Prob. 18DQCh. 10 - The variable overhead efficiency variance has...Ch. 10 - Describe the difference between the variable...Ch. 10 - What is the cause of an unfavorable volume...Ch. 10 - Does the volume variance convey any meaningful...Ch. 10 - Which do you think is more important for control...Ch. 10 - Prob. 1MCQCh. 10 - A currently attainable standard is one that a....Ch. 10 - An ideal standard is one that a. uses only...Ch. 10 - The underlying details for the standard cost per...Ch. 10 - The standard quantity of materials allowed is...Ch. 10 - The standard direct labor hours allowed is...Ch. 10 - Investigating variances from standard is a. always...Ch. 10 - Prob. 8MCQCh. 10 - The materials price variance is usually computed...Ch. 10 - Responsibility for the materials usage variance is...Ch. 10 - Responsibility for the labor rate variance...Ch. 10 - Responsibility for the labor efficiency variance...Ch. 10 - (Appendix 10A) Which of the following items...Ch. 10 - (Appendix 10A) Which of the following is true...Ch. 10 - The total variable overhead variance is the...Ch. 10 - A variable overhead spending variance can occur...Ch. 10 - The total variable overhead variance can be...Ch. 10 - The total fixed overhead variance is a. the...Ch. 10 - The total fixed overhead variance can be expressed...Ch. 10 - An unfavorable volume variance can occur because...Ch. 10 - Prob. 21BEACh. 10 - Control Limits During the last 6 weeks, the actual...Ch. 10 - Use the following information to complete Brief...Ch. 10 - Use the following information to complete Brief...Ch. 10 - Use the following information to complete Brief...Ch. 10 - Use the following information to complete Brief...Ch. 10 - Rath Company showed the following information for...Ch. 10 - Variable Overhead Spending and Efficiency...Ch. 10 - Performance Report for Variable Variances Humo...Ch. 10 - Total Fixed Overhead Variance Bradshaw Company...Ch. 10 - Fixed Overhead Spending and Volume Variances,...Ch. 10 - Prob. 32BEBCh. 10 - Control Limits During the last 6 weeks, the actual...Ch. 10 - Prob. 34BEBCh. 10 - Use the following information to complete Brief...Ch. 10 - Use the following information to complete Brief...Ch. 10 - Use the following information to complete Brief...Ch. 10 - Mulliner Company showed the following information...Ch. 10 - Variable Overhead Spending and Efficiency...Ch. 10 - Performance Report for Variable Variances Potter...Ch. 10 - Bulger Company provided the following data:...Ch. 10 - Fixed Overhead Spending and Volume Variances,...Ch. 10 - Standard Quantities of Labor and Materials...Ch. 10 - Sommers Company uses the following rule to...Ch. 10 - Use the following information for Exercises 10-45...Ch. 10 - Refer to the information for Cinturon Corporation...Ch. 10 - Refer to the information for Cinturon Corporation...Ch. 10 - Materials Variances Manzana Company produces apple...Ch. 10 - Labor Variances Verde Company produces wheels for...Ch. 10 - At the beginning of the year, Craig Company had...Ch. 10 - Jackie Iverson was furious. She was about ready to...Ch. 10 - 10-52 Materials and Labor Variances Refer to the...Ch. 10 - Refer to the information for Deporte Company...Ch. 10 - Esteban Products produces instructional aids,...Ch. 10 - Escuchar Products, a producer of DVD players, has...Ch. 10 - Use the following information for Exercises 10-56...Ch. 10 - Refer to the information for Rostand Inc. above....Ch. 10 - At the beginning of the year, Lopez Company had...Ch. 10 - Zepol Company is planning to produce 600,000 power...Ch. 10 - Last year, Gladner Company had planned to produce...Ch. 10 - Anker Company had the data below for its most...Ch. 10 - Cabanarama Inc. designs and manufactures...Ch. 10 - Basuras Waste Disposal Company has a long-term...Ch. 10 - Tom Belford and Tony Sorrentino own a small...Ch. 10 - Mantenga Company provides routine maintenance...Ch. 10 - Buenolorl Company produces a well-known cologne....Ch. 10 - The management of Golding Company has determined...Ch. 10 - Phono Company manufactures a plastic toy cell...Ch. 10 - Botella Company produces plastic bottles. The unit...Ch. 10 - The Lubbock plant of Morrils Small Motor Division...Ch. 10 - Moleno Company produces a single product and uses...Ch. 10 - The Lubbock plant of Morrils Small Motor Division...Ch. 10 - Extrim Company produces monitors. Extrims plant in...Ch. 10 - Lynwood Company produces surge protectors. To help...Ch. 10 - Shumaker Company manufactures a line of high-top...Ch. 10 - Paul Golding and his wife, Nancy, established...Ch. 10 - Prob. 79CCh. 10 - Prob. 1MTCCh. 10 - The Two Cost Systems Sacred Heart Hospital (SHH)...Ch. 10 - Prob. 3MTCCh. 10 - Prob. 4MTCCh. 10 - The Two Cost Systems Sacred Heart Hospital (SHH)...Ch. 10 - Prob. 6MTCCh. 10 - Prob. 7MTCCh. 10 - Prob. 8MTCCh. 10 - Prob. 9MTCCh. 10 - Sacred Heart Hospital (SHH) faces skyrocketing...
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