i was stuck on the ending inventory part for parts b through d and was wondering if anyone can provide help

Gladstone Company tracks the number of units purchased and sold throughout each accounting period but appliests inventory costing method at the end of each period, as if it uses a periodic inventory system. Assume its accounting records provided the following information at the end of the annual accounting period, December 31 Unit Cost 5.50 Transactions Beginning inventory. Janoary 1 Transactions during the year Purchase, January 30 b. Sale, March 14 (5100 each c. Purchase, May 1 d. tale, August 31 (5100 each) Units 1,100 2,150 (750) 850 (1,200) 60 85 Assuming that for Specific identification method (item id) the March 14 sale was selected two-fifths from the beginning inventory and three-fiths from the purchase of January 30. Assume that the sale of August 31 was selected from the remainder of the beginning inventory, with the balance from the purchase of May 1. Required: 1. Compute the amount of goods available for sale, ending inventory, and cost of goods sold at December 31 under each of the following inventory costing methods. (Round Intermediate calculations to 2 decimal places and final answers to the nearest whole dollar amount.) Last-in, first-out b. Weighted average cost First in first-out d. Specific identification Amount of Goods Cost of Goode Available for sale Ending Inventory Sold $ 256,250 $ 118.000 5 138.250 $ 256,250 $ 256 250 5 256,250 Prey 1 of 2 !!! Next BO 000 DDR Fa 3 # A $ 4 & 7 3 5 6 8 2 9 0 W E R T Y