Assume P accounts for inventory periodically P's balance in inventory at the beginning of the year is 255 units at $6 each During the year P purchases 1785 units on account for $6 each P sells 1408 units for $10 each At the end of the year a physical count of inventory indicates 622 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