Calculator Click to watch the Tell Me More Learning Objective 4 video and then answer the questions below. 1. Using the data below, determine the ending inventory amount assuming the weighted average method with a periodic inventory system. Beginning inventory, 10 units Purchases, 20 units Total cost of units available for sale, $3,000 Ending inventory, 12 units a. $3,000 b. $100 c. $1,200 d. None of these choices are correct. . 2. Using the data below, calculate the cost of merchandise sold. Beginning inventory, $1,000 Inventory purchased, $3,000 Net Income, $40,000 Ending inventory, $2,000 Sales, $185,000 a. $2,000 b. $4,000 C. $185,000 d. $145,000