Answer:
The Journal entries are as follows:
(i) On 2019 Feb. 2,
Cash A/c Dr. $3,436.56
Credit card expense A/c Dr. $559.44
To sales $3,700
To sales tax payable $296
(To record entry for sales and discount on credit card sales)
(ii) On 2019 Feb. 15,
Accounts receivable A/c[$3,100 + ($3,100×8%)] Dr. $3,348
To sales $3,100
To sales tax payable($3,100×8%) $248
(To record sales made using american express)
(iii) On 2019 Feb. 20,
Credit card expense A/c ($3,348×15%) Dr. $502.2
Cash A/c ($3,348 - $502.2) Dr. $2,845.8
To Accounts receivable A/c $3,348
(To record receivable for sold merchandise and credit card expense)
Workings:
Cash to be received from Feb 2 sale:
= [Sales + sales tax payable] - credit card expense
= [$3,700 + ($3,700 × 8%)] - [$3,700 + ($3,700 × 8%)] × 14%
= $3,996 - $559.44
= $3,436.56