Explanation:
The journal entries are as follows
a.
Merchandise Inventory A/c $254,500
To Accounts payable A/c $254,500
(Being merchandise purchased on credit)
b.
Account payable Dr $30,000
To Merchandise inventory $30,000
(Being the merchandise returned is recorded)
c.
Account payable Dr $224,500 ($254,500 - $30,000)
To Cash $224,500
(Being the payment of the invoice is recorded)