Purchases Quantity Price Oty z Price Purchase 1 100 $10 $1,000 Purchase 2 200 $11 $2,200 Purchase 3 100 $12 $1,200 Purchase 4 300 $14 $4,200 TOTAL 700 $8,000 Sales Quantity Sale 1 150 Using the above information, what is the Cost of Goods Sold using the average cost method? Assume that the inventory balance before the first purchase was zero, Select one: a. $1,750 b. $1,843 c. $1,521 d. $1,450