I've figured out journalizing the transactions, but am struggling with t-accounts, income statement and profit margin/gross profit rate

Problem 5-1A Winters Hardware Store completed the following merchandising transactions in the month of May. At the beginning of May, Winters' ledger showed Cash of $11,200 and Common Stock of $11,2 May 1 Purchased merchandise on account from Black Wholesale Supply for $7,950, terms 1/10, n/30. 2 5 9 10 11 12 15 17 19 24 25 27 29 31 Sold merchandise on account for $4,500, terms 2/10, n/30. The cost of the merchandise sold was $3,375. Received credit from Black Wholesale Supply for merchandise returned $450. Received collections in full, less discounts, from customers billed on May 2. Paid Black Wholesale Supply in full, less discount. Purchased supplies for cash $1,260. Purchased merchandise for cash $4,340 Received $322 refund for return of poor-quality merchandise from supplier on cash purchase Purchased merchandise from Wilhelm Distributors for $4,000, terms 2/10, n/30 Paid freight on May 17 purchase $350 Sold merchandise for cash $7,700. The cost of the merchandise sold was $5,740 Purchased merchandise from Clasps Inc. for $1,120, terms 3/10, n/30 Paid Wilhelm Distributors in full, less discount. Made refunds to cash customers for returned merchandise $135. The returned merchandise had cost $100 Sold merchandise on account for $1,792, terms n/30. The cost of the merchandise sold was $1,162