View Policies Show Attempt History Current Attempt in Progress Ivanhoe Department Store uses a perpetual inventory system. Data for product E2-D2 includes the following purchases. On June 1, Ivanhoe sold 30 units, and on August 27,45 more units. Your answer is incorrect. Calculate the weighted-average unit cost for each sale. (Round answers to 3 decimal places, es. 5.125.) June 1 sale Compute the cost of goods sold using FIFO, LIFO, and moving-average methods. (Round answers to 0 decimal places, eg. 125 .)