The Pebble Beach Golf Store purchased the new Flyer brand golf ball during 2020 as follows: Date Purchased 1/15/20 3/17/20 6/21/20 10/5/20 Total Quantity in Dozens 50 100 150 200 500 Cost/Dozen $ 6.00 $ 9.00 $ 10.00 $ 12.00 Total Cost $ 300 900 1,500 2,400 $5,100 During the year the company sold 400 dozen golf balls. The company uses the average cost method for inventory. What is the company's cost of goods sold and ending inventory? SHOW YOUR CALCULATION