Last year, fiona had a yard sale. she marked the prices of items very reasonably, and she refused to reduce them when people tried to "deal." this year, she had another yard sale, but this time, she marked the prices of items quite high, and then reduced them by 50% or more when people asked to "deal." fiona was surprised to find that she made much more money this year. when she asks you why this might have happened, you explain how judgments can be affected by

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?