Please help ive tried other experts and its still incorrect

Purchase-Related Transoctions 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 $5,000($4,900 net of the 2% discount) for merchandise that was damaged in shipment. Butier Co. agreed to keep the damaged merchandise, lilustrate the effects on the accounts and financial statements of Butler Co. If no account or activity is affected, select "No effect" from the dropdown and leave the corresponding number entry box blank. Enter account decreases and cash outflows as negative amounts. a. The purchase. b. The credit for damaged merchandise. c. The payment of the invoice within the discount period