John Smith has a credit card that charges

10%

annual interest on the monthly average daily balance for the billing cycle. The current billing cycle has

29

days. For

15

days his balance was

$2,538.76.

For

7

days the balance was

$1,538.76.

And for

7

days the balance was

$1,854.61.

Find the average daily balance. Find the amount of interest.

The average daily balance is

The amount of interest is

(Round to the nearest cent as needed.)