Suppose you open a credit card account and charge $$100$ to the account on the first of each month to pay for your cable and Internet subscription. You

plan to pay just the minimum payment each month for the first $6$ months $($until your summer job starts$).$ The

A$.$PR is $15\mathrm{.}99\%$ and the minimum payment

is $4\mathrm{.}5\%$ of the balance. Use Excel to fill in the values in the table below and answer the questions that follow.

Express your answers rounded to the nearest cent.

$($a$)$ What is the starting balance at the beginning of the $4$th month?

$

$($b$)$ What is the total of the minimum payments?

$($c$)$ Your total finance charge is what percent of your total payments?

Express your answer rounded to the nearest tenth of a percent.

$\%$