Sort Monthly Purchases By: First in Last In +ab+ab On January 1 , a company begins the year with 4,000 units of inventory with a unit cost of $25. The company makes purchases at the end of each month based on expected units to be sold in the following month relative to current units on hand. Required: Complete this question by entering your answers in the tabs below. Using the weighted-average cost assumption, calculate cost of goods sold and the cost of ending inventory. (Round your answers to the nearest whole dollar.)