PaCo begins business in 20X3, uses the periodic method and LIFO costing and makes the following merchandise purchases: 25. January 14 1,300$50 2,800@ $55 1,700 $58 November 1 1,200 $60 March 11 August 23 If PaCo's December 31, 20X3 inventory contains 1,500 units, its ending inventory is. a. $89,400 b. $76,000 c. $90,000 d. $75,000