Assume the perpetual inventory method is used. 1) The company purchased $12,700 of merchandise on account under terms 4/10, n/30. 2) The company returned $2,200 of merchandise to the supplier before payment was made. 3) The liability was paid within the discount period. 4) All of the merchandise purchased was sold for $19,400 cash. The amount of gross margin from the four transactions is: Multiple Choice $9,320 O $9,408 $6,700. $6,432