Ordering cost $=$$$250,$ inventory holding cost $$2$ per unit per week. There are $120$ units beginning inventory; there are no scheduled receipts at the beginning; EOQ$=122$ units.

$\backslash$table$[[$Lead time $=1$ week,,,,,,$],[,1,2,3,4,5,6],[$Gross requirements,$50,80,90,50,30,60],[$On Hand Inventory,,,,,,$],[$NET Requirements,,,,,,$],[$Planned recelpts,,,,,,$],[$Planned orders,,,,,,$]]$

Hint:

Inventory carrying cost $=$ Sum $($cost per unit per week $x$ ending inventory of a week $)$

Ordering cost $=$ ordering cost per order $x$# of orders

Using lot for lot method, what are your inventory carrying and ordering costs?

Carrying $=$$$140,$ Ordering $=$$$1,250$

Carrying $=$$$1,970,$ Ordering $=$$$125$

Carrying $=$$$120,$ Ordering $=$$$1,460$

Carrying $=$$$129,$ Ordering $=$$$1,132$

Carrying $=$$$450,$ Ordering $=$$$390$