Drinkwell Company sells coffee mugs. Below is information relating to Drinkwell's August sales. DrinkWell uses a PERPETUAL Inventory system. Date Units 1-Aug 185 Unit Cost $16 $17 Total Cost $2.960 $2.125 $2.520 8-Aug 125 $18 17-Aug 20-Aug Explanation Inventory Purchase Purchase Sale Purchase Sale Purchase 23-Aug 140 (200) 210 (190) 175 $19 $3.990 25-Aug 30-Aug $20 $3,500 Calculate for FIFO, LIFO & Weighted Average the dollar value AND number of units in: Ending Inventory b. Cost of Goods Sold a