Starstone Corp. uses the perpetual inventory system. Below is Starstone' inventory for July. Unit Cost Total Cost $350 July 1 July 5 July 10 July 11 July 15 July 19 Beginning inventory Purchase Purchase Sale Purchase Sale Units 140 200 140 250 160 150 Instructions Determine the ending inventory and cost of goods sold under: (a) FIFO (b) Weighted-average (round unit cost to nearest cent) Show your work. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). $2.50 3.50 4.50 5.50 700 630 880