ACB Manufacturing purchased $6,000 of merchandise inventory from a vendor on account with credit terms of 2/10 or n/30. Because some of the merchandise was damaged, ACB Manufacturing returned $1,000 of the merchandise two days later. ACB Manufacturing uses the perpetual inventory system and made payment for the merchandise, less the return, within the discount period.

What is the final cost of the merchandise inventory for ACB manufacturing from this purchase?

-$5,000
-$4,900
-$4,880
-$5,880