Answer:
Explanation:
The journal entries are shown below:
A. On September 30
Cash A/c Dr $17,510
   To Sales $17,000
   To Sales tax payable $510          ($17,000 × 3%)
(Being goods are sold on credit with sales tax)
B. On September 30
Cost of goods sold A/c Dr $11,600
   To Inventory A/c          $11,600
(Being goods are sold at cost)
C. Â On October 15
Sales tax payable $510 Â Â Â
    To Cash A/c
(Being sale tax is recorded)