Chapter $15$ Problem $12-6.$ Demand over the next $10$ periods is expected to be: $100,98,$

$123,118,173,189,143,129,119,$ and $142.$ The holding cost is $$2$ unit$/$period$.$ Order cost

is $$200/$order$.$

a$.$ Using EOQ, determine the order quantity.

b$.$ Determine the actual cost $($holding plus order$)$ over the $10$ period time horizon.