he total inventory cost$=$$$400400.($Enter your response as a whole$$ number.$)$

Part $5$

The total hiring cost$=$$$560560.($Enter your response as a whole$$ number.$)$

Part $6$

The total layoff cost equals$=$$$320320.($Enter your response as a whole$$ number.$)$

Part $7$

The total$$ cost$,$ excluding normal time labor$$ costs, is$=$$$12801280.($Enter your response as a whole$$ number.$)$

Part $8$

$$b$)$ Vary overtime only and use a constant workforce of eight.

Part $9$

Fill in the table below. $($Enter all responses as whole$$ numbers.$)$

$$

Plan B

Month

Demand

Production$($Regular$)$

Ending Inventory

Overtime Production

$0$

June

$150150$

$1$

July

$400400$

$320320$

enter your response here

enter your response here

$2$

August

$500500$

$320320$

enter your response here

enter your response here

$3$

September

$550550$

$320320$

enter your response here

enter your response here

$4$

October

$700700$

$320320$

enter your response here

enter your response here

$5$

November

$800800$

$320320$

enter your response here

enter your response here

$6$

December

$700700$

$320320$

enter your response here

enter your response here