Current Attempt in Progress Sheridan Department Store uses a perpetual inventory system. Data for product E2-D2 includes the following purchases. Date Number of Units Unit Price May 7 44 July 28 33 $11 16 On June 1, Sheridan sold 22 units, and on August 27, 33 more units. (a1) x Your answer is incorrect.. Calculate the weighted-average unit cost for each sale. (Round answers to 3 decimal places, eg. 5.125) June 1 sale 578.286 Aug. 27 sale 433.714