On December 14, Walton Company sold $3,000 of merchandise on account to a customer with terms 2/10,n/30. On December 20, the customer returned $300 of merchandise to Walton Company. Walton Company received no payments from that customer in December. On December 21, Walton Company received $1,800 from a different customer for merchandise to be delivered in January. What is Walton Company's accounts receivable on December 31? O $4,446 O $2,646 O $3,000 O $4,500 0 $2,700