Assume the perpetual inventory method is used. 1) The company purchased $13.800 of merchandise on account under terms 2/10, 1/30. 2) The company returned $3,300 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 $21,600 cash The amount of gross margin from the four transactions is: Multiple Choice $11,376 $11310 O 57800 $7,644