6-9A Farman Appliance Mart began operations on May 1. It uses a perpetual inventory system. During May, the company had the following purchases and sales for its Model 25 Sureshot camera. Purchases Date Units Unit Cost Sales Units May 1 161 $144 May 4 92 May 8 184 $164 May 12 115 May 15 138 $179 May 20 69 May 25 92 (a1) Calculate the average cost per unit at May 1, 4, 8, 12, 15, 20 & 25. (Round answers to 3 decimal places, e.g. $105.252.) Average cost for each unit May 1 $ May 4 $ May 8 $ May 12 $ May 15 $ May 20 $ May 25 $ Click if you would like to Show Work for this question: Open Show Work