Steritech Co., a furniture wholesaler, sells merchandise to Butler Co. on account, $86,000, terms 2/10, n/30. The cost of the merchandise sold is $51,600. Steritech Co. issues a credit memorandum for $9,000 for merchandise returned and subsequently receives the amount due within the discount period. The cost of the merchandise returned is $5,000. Illustrate the effects on the accounts and financial statements of Steritech Co. for

(a) The sale, including the cost of the merchandise sold,

(b) The credit memorandum, including the cost of the returned merchandise, and

(c) The receipt of the check for the amount due from Butler Co.