Chapter 5, Problem 6RP

a.

Explanation of Solution

Pay for another unit of raw material

• Let ${\text{x}}_{\text{i}}$ be the units of product i produced and $\text{L}$ be the number of labour hours purchased

b.

Explanation of Solution

Pay for another hour of labour

.

• Let ${\text{x}}_{\text{i}}$ be the units of product i produced and $$

c.

Explanation of Solution

Cost of product for the company

• Let ${\text{x}}_{\text{i}}$ be the units of product i produced and $\text{L}$ be the number of labour hours purchased

d.

Explanation of Solution

Profit

• Let ${\text{x}}_{\text{i}}$ be the units of product i produced and $\text{L}$ be the number of labour hours purchased.
• The new optimum solution value or profit is calculated by the given formula:

  $\text{New value = Old value – }\left(\text{Key column value × Key row value}\right)\text{ / Key val}$

e.

Explanation of Solution

Profit

• Let ${\text{x}}_{\text{i}}$ be the units of product i produced and $\text{L}$ be the number of labour hours purchased.
• The new optimum solution value or profit is calculated by the given formula:

  $\text{New value = Old value – }\left(\text{Key column value × Key row value}\right)\text{ / Key value}$