Heather is sixteen but looks much older. she goes into a jewelry store and buys a diamond bracelet with the money she has been saving for college. if heather realizes a year later that it was unwise to spend the money on the bracelet, she:

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?