Question 4 Vaughn Manufacturing began operations on July 1. It uses a perpetual inventory system. During July, the company had the following purchases and sales. Units Purchases Unit Cost $120 Sales Units Date July 1 July 6 July 11 July 14 July 21 July 27 $128 $138 (al) Your answer is correct. Calculate average cost for each unit. (For calculation and answers purpose round unit costs to 2 decimal places, e.g. 15.25.) July 1 120 July 6 129 July 11 124.8 July 14 124.8 July 21 133.6 July 133.6 (a2) Your answer is partially correct. Try again. Determine the ending inventory under a perpetual inventory system using (1) FIFO, (2) moving average, and (3) LIFO. (For calculation and answers purpose round unit costs to 2 decimal places, e.g. 15.25 and ending inventory values to o decimal places, e.g. 515.) FIFO MOVING-AVERAGE UFO The ending inventory under a perpetual inventory system 828