For any intermediate calculations use 4 significant figures. When entering a decimal answer, for example 0.245, please enter 0.245 and not .245. For final answers see the text highlighted in green The Johnson Shoe Company buys shoes for $30 per pair and sells them for $90 per pair. If they are out of stock, the buyer purchases the shoe elsewhere and there is a loss of goodwill of $80. Monthly demand is normally distributed with u =25 and o= 10. The Johnson Shoe Company uses a 15% annual interest rate to determine holding costs. Note: If when looking up 0-1 (Z), you get an answer that is between 2 levels, pick the higher level. For example, if you are looking up, 0-1 (0.6), you see it falls between 0.25 and 0.26, use 0.26. How many shoes should the Johnson Shoe Company buy? For Q, round up to the next number for the rest round up using 4 significant digits. For example, 0.2456 should be entered as 0.2457. Co = $ Cu = $ F(Q") = units