Please solve this problem

Brief Exercise 6-10 Loggins Department Store uses a perpetual inventory system. Data for product E2-D2 include the purchases shown below Number of Units 50 30 Unit Price Date May 7 July 28 $10 15 On June 1, Loggins Department Store sold 25 units, and on August 27, 30 more units. Your answer is incorrect. Try again. Calculate the average cost. (Round answers to 3 decimal places, e.g. 5.125.) June 1 sale: 297.0 Aug. 27 sale: 297.0 SHOW LIST OF ACCOUNTS LINK TO TEXT