Warton Company posts its sales invoices directly and then binds them into a Sales Journal. The company had the following credit sales to these customers during July. July 2 Mary Mack ...... . . . $ 8,600 8 Eric Horner . ..... 1 1,100 10 Troy Wilson . . . . . . . . 13,400 14 Hong Jiang . . . . . ... ... 20,500 20 Troy Wilson .... 1 1,200 29 Mary Mack . .... 7,300 Total credit sales . . . . . . $72,100 Required 1. Open an accounts receivable subsidiary ledger having a T-account for each customer. Post the invoices to the subsidiary ledger. 2. Open an Accounts Receivable controlling T-account and a Sales T-account to reflect general ledger accounts. Post the end-of-month total from the sales journal to these accounts. 3. Prepare a schedule of accounts receivable and prove that its total equals the Accounts Receivable con- trolling account balance