Assume the perpetual inventory method is used. 1) The company purchased $12,800 of merchandise on account under terms 2/10, n/30. 2) The company returned $2,300 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 $19,600 cash. The amount of gross margin from the four transactions is: Multiple Choice $6,664 $9,356 $9.310 $6,800