Carla Vista Co. uses a perpetual inventory system. The company began 2021 with 800 lamps in inventory at $11 per unit. During 2021, Carla Vista had the following purchases and sales of lamps: February 15 Purchased 1,600 units @ $17 per unit April 24 Sold 2,000 units @ $29 per unit June 6 Purchased 2,800 units @ $22 per unit October 18 Sold 1,600 units @ $32 per unit December 4 Purchased 1,120 units @ $25 per unit All purchases and sales are on account. Calculate the cost of goods sold and ending inventory using a weighted average. (Round the weighted average cost per unit to three decimal places, e.g. 5.275, and final answers to 0 decimal places, e.g. 5,275.)