Materials : $

$5$

$/$

$$unit$.$ Holding cost : $

$1$

$/$

unit per month. Stock Out cost : $

$1$

$.$

$2$

$5$

$/$

unit per month. Hiring and training cost : $

$5$

$0$

$0$

$.$

$0$

$0$

$/$

worker

$.$

$$Layoff costs : $

$6$

$5$

$0$

$/$

worker

$.$

$$Labor hours required :

$0$

$.$

$1$

$5$

$$hrs

$/$

unit

$.$

$$Labor Cost : $

$2$

$0$

$.$

$0$

$0$

$/$

hour

$.$

$$Beginning Inventory :

$2$

$5$

$0$

$$units Productive hours

$/$

worker

$/$

day :

$7$

$.$

$2$

$5$

$$Paid straight hrs

$/$

day :

$8$

$$Beginning workforce level :

$7$

$$employees Number of Working Days : January

$2$

$2$

$$days$,$ February

$1$

$9$

$$days$,$ March

$2$

$1$

$$days$,$ April

$2$

$1$

$$days$,$ May

$2$

$2$

$$days$,$ June

$2$

$0$

$$days$.$ January:

$4$

$5$

$0$

$0$February: $5500$

March: $7000$

April: $10000$

May: $8000$

June: $6000$