# The Classic Furniture Company is trying to determine the optimal quantities to make of six possible products: tables and chairs made of oak, cherry, and pine. The products are to be made using the following resources: labor hours and three types of wood. Minimum production requirements are as follows: at least 3 each of oak and cherry tables, at least

The Classic Furniture Company is trying to determine the optimal quantities to make of six possible products: tables and chairs made of oak, cherry, and pine. The products are to be made using the following resources: labor hours and three types of wood. Minimum production requirements are as follows: at least 3 each of oak and cherry tables, at least 10 each of oak and cherry chairs, and at least 5 pine chairs.

The Excel layout and LP Sensitivity Report for Classic Furniture’s problem are shown in Screenshots 4-13A and 4-13B, respectively. The objective function coefficients in the Screenshots refer to unit profit per item. Each of the following questions is independent of the others.

(a) What is the profit represented by the objective function, and what is the production plan?

(b) Which constraints are binding?

(c) What is the range over which the unit profit for oak chairs can change without changing the production plan?

(d) What is the range over which the amount of available oak could range without changing the combination of binding constraints?

(e) Does this Sensitivity Report indicate the presence of multiple optima? How do you know?

(f) After production is over, how many pounds of cherry wood will be left over?

(g) According to this report, how many more chairs were made than were required?

The Excel layout and LP Sensitivity Report for Classic Furniture’s problem are shown in Screenshots 4-13A and 4-13B, respectively. The objective function coefficients in the Screenshots refer to unit profit per item. Each of the following questions is independent of the others.

(a) What is the profit represented by the objective function, and what is the production plan?

(b) Which constraints are binding?

(c) What is the range over which the unit profit for oak chairs can change without changing the production plan?

(d) What is the range over which the amount of available oak could range without changing the combination of binding constraints?

(e) Does this Sensitivity Report indicate the presence of multiple optima? How do you know?

(f) After production is over, how many pounds of cherry wood will be left over?

(g) According to this report, how many more chairs were made than were required?

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**Related Book For**

## Managerial Decision Modeling With Spreadsheets

3rd Edition

**Authors:** Nagraj Balakrishnan, Barry Render, Jr. Ralph M. Stair

**ISBN:** 9780136115830