Pharoah Company 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 13 $70 10 9. $74 July 1 July 6 July 11 July 14 July 21 July 27 9 12 $78 11 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 ta 70 July 6 70 July 11 $ July 14 July 21 July 27 78