Chapter 5, Problem 3RP

a.

Explanation of Solution

Profit

• Let $\text{RM}$ be the pounds of raw material processed, $\text{P1}$ be the pounds of raw material used to produce product 1 and $\text{P2}$ be the pounds of raw material used to produce product 2.
• The new optimum solution value or profit is calculated by the given formula:

  $\text{New value = Old value – }(\text{Key column value × Key row value}$

b.

Explanation of Solution

Profit

• Let $\text{RM}$ be the pounds of raw material processed, $\text{P1}$ be the pounds of raw material used to produce product 1 and $\text{P2}$ be the pounds of raw material used to produce product 2.
• The new optimum solution value or profit is calculated by the given formula:

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

c.

Explanation of Solution

Pay for another pound of raw material

• Let $\text{RM}$ be the pounds of raw material processed, $\text{P1}$ be the pounds of raw material used to produce product 1 and $\text{P2}$ be the pounds of raw material used to produce product 2

d.

Explanation of Solution

Pay for another pound of labour

• Let $\text{RM}$ be the pounds of raw material processed, $\text{P1}$ be the pounds of raw material used to produce product 1 and $$