Use the Dynamic Exhibit to answer the following questions. 1. When the number of units sold on November 21 is 36, the cost of merchandise sold on November 21 is $. 2. When the number of units sold on November 21 is 36, the ending inventory on November 30 is $. 3. When the number of units sold on November 21 is 8, the cost of merchandise sold on November 21 is $. 4. When the number of units sold on November 21 is 50, the ending inventory on November 30 is?