Explanation:
The correct entries are as follows:
a. Account payable A/c Dr $180 ($750 - $570)
To Cash A/c $180
(Being the correct amount is recorded)
b. Supplies A/c Dr $560
To Equipment A/c $56
To Account payable A/c $504 ($560 - $56)
(Being the correct amount is recorded)
c. N. Patel’s Capital account A/c Dr $500
To Salaries and wages expense $500
(Being the adjusting entry is recorded)