I try doing this and I think I didnt get the concept

er owns a small retail business called Debbie's Doll House. The cash account has a balance of $20,000 on July 1. The following trans ing July Transactions: issued Check No. 314 for July rent, $1,400. Purchased merchandise on account from Topper's Toys, Invoice No. 211, $2 500, terms 2/10, n/30. 3 Purchased merchandise on account from Jones & Company, Invoice No. 812, $2,800, terms 1/10, n/30 15 Returned merchandise purchased from Topper's Toys receiving a credit memo on the amount owed $400 8 Purchased merchandise on account from Downtown Merchants, Invoice No. 159, $1.600, terms 2/10, n/30 11 Issued Check No. 315 to Topper's Toys for merchandise purchased on account, less return of July 5 and less 2% discount 13 Issued Check No 316 to Jones & Company for merchandise purchased on account, less 1% discount 15 Returned merchandise purchased from Downtown Merchants receiving a credit memo on the amount owed $600 Issued Check No 317 to Downtown Merchants for merchandise purchased on account, less return of July 15 and less 29% discount 25 Purchased merchandise on account from Columbia Products, Invoice No 468, $3 200 terms n/30 26 Purchased merchandise on account from Topper's Toys, Invoice No 395, 51 430, terms 2/10, n/30 29 sed andise on account from Jones & Company Invoice No. 853, $2 970, terms 1/10, w/30