Suppose that you made three purchases using your credit card during the month of January.

• The first purchase was on January 8^th for $497 .
• The second purchase was on January 19^th for $259.
• The third purchase was on January 24^th.

If your average daily balance for January was $688, what was the dollar amount of your last purchase?

Remember:

• There are 31 days in January.
• You made no purchases between January 1st and January 7th.
• This question is not asking for the card's final January balance.

Round your answer to the nearest dollar.