Local music fans prefer listening to the radio rather than watching tv. if the cost per thousand reached (cpm) for a particular station is $15, how much should you spend on advertising with the station if you want to reach 1.5 million people?

An allergy products superstore buys 6000 of their most popular model of air filters each year. the price of the air filters is $18. the cost of ordering and receiving shipments is $12 per order. accounting estimates annual carrying costs are 20% of the price. the supplier lead time is 2 days. the store operates 240 days per year. each order is received from the supplier in a single delivery. there are no quantity discounts. what is the store’s minimum total annual cost of placing orders & carrying inventory?