$15-22$: Media Moguls $($M&M$)$ normally sells $240,000$ units per year. It costs M&M $$52$ to purchase each unit, the fixed cost of ordering is $$260,$ and the carrying costs equal $15$ percent of the unit$$s purchase price.

$15-23$: Refer to the information provided for M&M in

Problem $15-22.$ Suppose M&M must place orders

in increments of $5,000$ units and it takes three

days for each order to be delivered. $($a$)$ How

many orders should M&M place each year? $($b$)$ At

what inventory level should an order be placed?

$($ONLY ANSWER #$2)$ THANK YOU!