Assume P accounts for inventory periodically P's balance in inventory at the beginning of the year is 304 units at $8 each During the year op purchases 1520 units on account for $8 each op sells 1240 units for $15 each At the end of the year a physical count of inventory indicates 578 units remain a. The cost of beginning inventory is: b. The cost of inventory purchases is: C. The cost of ending inventory is: d. The cost of goods sold expense for the year: e. During the year sales revenue is