Perpetual inventory using LiFo Beginning inventory, purchoses, and sales for ttem B8-HX are as follows: Assuming a perpetual inventory system and using the last-in, fint-out (LFO) method, determine (a) the cost of goods sold on July 27 and (b) the inventory on July 31. S. Coet of geode told th yuty 24 b. Inventocy on July 31