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Chemcon has taken over the production of Nasacure from a rival drug company. Chemcon must build a plant to produce Nasacure by the beginning of 2010. Once the plant is built, the plant’s capacity cannot be changed. Each unit sold brings in $10 in revenue. The fixed cost (in dollars) of producing a plant that can produce x units per year of the drug is 5,000,000 + 10 x . This cost is assumed to be incurred at the end of 2010. In fact, you can assume that all cost and sales cash flows are incurred at the ends of the respective years. If a plant of capacity x is built, the variable cost of producing a unit of Nasacure is 6 − 0.1( x − 1,000,000)/100,000. For example, a plant capacity of 1,100,000 units has a variable cost of $5.90. Each year a plant operating cost of $1 per unit of capacity is also incurred. Based on a forecasting sales model from the previous 10 years, Chemcon forecasts that demand in year t , D t , is related to the demand in the previous year, D t −1 , by the equation D t = 67,430 + 0.985 D t −1 + e t where e t is normally distributed with mean 0 and standard deviation 29,320. The demand in 2009 was 1,011,000 units. If demand for a year exceeds production capacity, all demand in excess of plant capacity is lost. If demand is less than capacity, the extra capacity is simply not used. Chemcon wants to determine a capacity level that maximizes expected discounted profits (using a discount rate of 10%) for the time period 2010 through 2019. Use simulation to help it do so.

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Practical Management Science

6th Edition
WINSTON + 1 other
Publisher: Cengage,
ISBN: 9781337406659

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Section
BuyFindarrow_forward

Practical Management Science

6th Edition
WINSTON + 1 other
Publisher: Cengage,
ISBN: 9781337406659
Chapter 11, Problem 68P
Textbook Problem
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Chemcon has taken over the production of Nasacure from a rival drug company. Chemcon must build a plant to produce Nasacure by the beginning of 2010. Once the plant is built, the plant’s capacity cannot be changed. Each unit sold brings in $10 in revenue. The fixed cost (in dollars) of producing a plant that can produce x units per year of the drug is 5,000,000 + 10x. This cost is assumed to be incurred at the end of 2010. In fact, you can assume that all cost and sales cash flows are incurred at the ends of the respective years. If a plant of capacity x is built, the variable cost of producing a unit of Nasacure is 6 − 0.1(x − 1,000,000)/100,000. For example, a plant capacity of 1,100,000 units has a variable cost of $5.90. Each year a plant operating cost of $1 per unit of capacity is also incurred. Based on a forecasting sales model from the previous 10 years, Chemcon forecasts that demand in year t, Dt, is related to the demand in the previous year, Dt−1, by the equation Dt = 67,430 + 0.985Dt−1 + et where et is normally distributed with mean 0 and standard deviation 29,320. The demand in 2009 was 1,011,000 units. If demand for a year exceeds production capacity, all demand in excess of plant capacity is lost. If demand is less than capacity, the extra capacity is simply not used. Chemcon wants to determine a capacity level that maximizes expected discounted profits (using a discount rate of 10%) for the time period 2010 through 2019. Use simulation to help it do so.

Summary Introduction

To determine: The capacity-level that maximizes expected discounted profits using @RISK.

Introduction: Simulation model is the digital prototype of the physical model that helps to forecast the performance of the system or model in the real world.

Explanation of Solution

Formulae to determine the above table:

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Chapter 11 Solutions

Practical Management Science
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Ch. 11.3 - In the cash balance model from Example 11.5, the...Ch. 11.3 - In the cash balance model from Example 11.5, is...Ch. 11.3 - Run the retirement model from Example 11.6 with a...Ch. 11.3 - The simulation output from Example 11.6 indicates...Ch. 11.3 - Modify the model from Example 11.6 so that you use...Ch. 11.3 - Referring to the retirement example in Example...Ch. 11.3 - A European put option allows an investor to sell a...Ch. 11.3 - Modify Example 11.8 so that the portfolio now...Ch. 11.3 - Change the new car simulation from Example 11.4 as...Ch. 11.3 - Based on Kelly (1956). You currently have 100....Ch. 11.3 - Amanda has 30 years to save for her retirement. At...Ch. 11.3 - In the financial world, there are many types of...Ch. 11.3 - Suppose you currently have a portfolio of three...Ch. 11.3 - If you own a stock, buying a put option on the...Ch. 11.3 - For the data in the previous problem, the...Ch. 11.3 - A stock currently sells for 69. The annual growth...Ch. 11.3 - A knockout call option loses all value at the...Ch. 11.3 - Suppose an investor has the opportunity to buy the...Ch. 11.4 - Suppose that Coke and Pepsi are fighting for the...Ch. 11.4 - Seas Beginning sells clothing by mail order. An...Ch. 11.4 - Based on Babich (1992). Suppose that each week...Ch. 11.4 - The customer loyalty model in Example 11.9 assumes...Ch. 11.4 - We are all aware of the fierce competition by...Ch. 11.4 - Suppose that GLC earns a 2000 profit each time a...Ch. 11.4 - The Mutron Company is thinking of marketing a new...Ch. 11.5 - A martingale betting strategy works as follows....Ch. 11.5 - The game of Chuck-a-Luck is played as follows: You...Ch. 11.5 - You have 5 and your opponent has 10. You flip a...Ch. 11.5 - Assume a very good NBA team has a 70% chance of...Ch. 11.5 - Consider the following card game. The player and...Ch. 11.5 - Based on Morrison and Wheat (1984). When his team...Ch. 11 - You now have 5000. You will toss a fair coin four...Ch. 11 - You now have 10,000, all of which is invested in a...Ch. 11 - Suppose you have invested 25% of your portfolio in...Ch. 11 - A ticket from Indianapolis to Orlando on Deleast...Ch. 11 - Based on Marcus (1990). The Balboa mutual fund has...Ch. 11 - Consider a device that requires two batteries to...Ch. 11 - Appliances Unlimited (AU) sells refrigerators. Any...Ch. 11 - The annual demand for Prizdol, a prescription drug...Ch. 11 - A company is trying to determine the proper...Ch. 11 - The DC Cisco office is trying to predict the...Ch. 11 - A common decision is whether a company should buy...Ch. 11 - Suppose you begin year 1 with 5000. At the...Ch. 11 - You are considering a 10-year investment project....Ch. 11 - Play Things is developing a new Lady Gaga doll....Ch. 11 - An automobile manufacturer is considering whether...Ch. 11 - It costs a pharmaceutical company 75,000 to...Ch. 11 - Suppose you buy an electronic device that you...Ch. 11 - Rework the previous problem for a case in which...Ch. 11 - Chemcon has taken over the production of Nasacure...Ch. 11 - The Tinkan Company produces one-pound cans for the...Ch. 11 - You are unemployed, 21 years old, and searching...Ch. 11 - In this version of dice blackjack, you toss a...Ch. 11 - It is January 1 of year 0, and Lilly is...Ch. 11 - It is January 1 of year 0, and Merck is trying to...Ch. 11 - Suppose you are an HR (human resources) manager at...Ch. 11 - You are an avid basketball fan, and you would like...Ch. 11 - Suppose you are a financial analyst and your...Ch. 11 - Software development is an inherently risky and...Ch. 11 - Health care is continually in the news. Can (or...

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