Aug. 4	Sold merchandise on account to S. Miller for $320 plus sales tax of 4%, with 2/10, n/30 cash discount terms.
6	Sold merchandise on account to K. Krtek for $210 plus sales tax of 4%.
10	S. Miller returned merchandise purchased on August 4 for $20 plus sales tax for credit.
13	S. Miller paid the balance due on her account.
15	K. Krtek returned merchandise purchased on August 6 for $40 plus sales tax for credit.
20	K. Krtek paid the balance due on his account.

1. Prepare journal entries for the following transactions. If required, round your answers to two decimal places. If an amount box does not require an entry, leave it blank.

DATEACCOUNT TITLEDOC.
NO.POST.
REF.DEBITCREDIT120-- Aug. 4Accounts Receivable/S. Miller 12 Sales 23 Sales Tax Payable 34 45Aug. 6Accounts Receivable/K. Krtek 56 Sales 67 Sales Tax Payable 78 89Aug. 10Sales Returns and Allowances 910 Sales Tax Payable 1011 Accounts Receivable/S. Miller 1112 1213Aug. 13Cash 1314 Sales Discounts 1415 Accounts Receivable/S. Miller 1516 1617Aug. 15Sales Returns and Allowances 1718 Sales Tax Payable 1819 Accounts Receivable/K. Krtek 1920 2021Aug. 20Cash 2122 Accounts Receivable/K. Krtek 2223 23

I'm having problems on aug 13 entry i have entered debit for cash of 306, debit to discounts of 6, and accounts recievable for 312. the cash, discount and acc recv are correct But the cash and discount are wrong....Help