Answer:
The item will cost $385.64.
Explanation:
The price of the item with tax is = $318.
If he makes the minimum payment of $15 each month, it will take him 26 months, this will cost him 15*26=$390
Also given is, the total interest will be = $67.64
The item will cost if Mitchell uses a credit card and only makes the minimum payment each month = 318+67.64 = $385.64