Swifty Department Store uses a perpetual inventory system. Data for product E2-D2 include the following purchases. Date Number of Units Unit Cost May 7 50 $15 July 28 30 90 15 On June 1, Swifty sold 26 units, and on August 27, 43 more units. (a) Prepare the perpetual inventory schedule for the above transactions using FIFO. Date Purchases May 7 June 1 SA Product E2-D2 Cost of Goods Sold Balance: S