Suppose that on January 1 you have a balance of

$49004900

on a credit card whose APR is

2121%,

which you want to pay off in

11

year. Assume that you make no additional charges to the card after January 1.

a. Calculate your monthly payments.

b. When the card is paid off, how much will you have paid since January 1?

c. What percentage of your total payment from part (b) is interest?