Indigo Corporation began operations on July 1. It uses a perpetual inventory system. During July, the company had the following purchases and sales. Purchases Date Units Unit Cost Sales Units July 1 11 $56 July 6 8 July 11 7 $66 July 14 7 July 21 9. $71 July 27 8. (a1) Your answer is partially correct. Calculate average cost for each unit. (For calculation and answers purpose round unit costs to 2 decimal places, e.g. 15.25.) July 1 56 July 6 56 July 11 60.31 July 14 $ 60 July 21 $ 145.67 July 27 63 %24