Zelda is a recent fashion graduate. she started her own apparel store with an investment of $300,000. in the first year she made a profit of $60,000. if she had taken up a job as a fashion editor for a magazine, she would have earned $50,000 as salary per year. also, she could have invested her capital, $300,000, in treasury bonds and earned an interest of $12,000. thus, the amount $62,000 ($50,000 + $12,000) would be genevieve'

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?