Sandhill Center began operations D on July 1. It uses a perpetual inventory system. During July, the company had the following purchases and sales. Purchases Date Units Unit Cost Sales Units July 1 10 $58 July 6 8 July 11 6 $62 July 14 6 July 21 8 $66 July 27 65. Determine ending inventory under a perpetual inventory system using (fifo) (moving-avergage) (lifo)