Answer:
Explanation:
The journal entries are shown below:
On July 3
Account receivable A/c Dr $3,750
     To Sales $3,750
(Being the goods are sold on credit)
Cost of goods sold A/c Dr $2,000
   To Merchandise Inventory A/c          $2,000
(Being goods are sold at cost)
On July 5
Sales return and allowance A/c Dr $1,050
      To Accounts receivable $1,050
(Being sales return is recorded)
Merchandise Inventory A/c          $610
      To  Cost of goods sold A/c Dr $610
(Being sales return is recorded)
On July 12
Cash A/c Dr $2,700 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â ($3,050 - $1,050)
     To Accounts receivable $2,700
(Being cash is received)
On July 17
Cash A/c Dr $7,420
       To Sales A/c $7,000
       To Sales tax payable A/c $420   ($7,000 × 6%)
(Being the goods are sold on credit)
Cost of goods sold A/c Dr $3,830
   To Merchandise Inventory A/c         $3,830
(Being goods are sold at cost)