Use the following to answer questions 1 and 2: Assume the perpetual inventory method is used. 1) Field Company purchased merchandise inventory that cost $8,000 under terms of 2/10, n/30 and F.O.B. shipping point. 2) Freight cost of $500 to have the merchandise delivered was paid in cash. 3) Payment was made to supplier within ten days. 4) All of the goods were sold to customers on account for $12,000 and delivered under terms F.O.B. shipping point with freight cost amounting to $600. The gross margin from the transactions of Field Company is Oa. $3,060. O b. $4,000. O c. $3,660. O d. None of the above.