I need help: Enter the transaction described in the following narrative into the cash receipt journal. Received $136.43 for $143.01 in sales less 10 percent discount plus sales tax. The sales tax rate is 6 percent. I just need help with the sales tax payable. I don't know how to calculate the sales tax payable. I need help on how to calculate sales tax payable step by step solution please. Thank you.

CREDIT GENERAL LEDGER SALES SALES TAX PAYABLE A/C NO. AMOUNT 16 20 FIGURE 12 Continued