The total cost of loan is represented by .

(a)

Find the initial payment.

The general form of  infinite geometric sequence is .

Comparing the sequence with general form.

and

Marc initial payment is at rate of payment is increasing .

(b)

The sum of Marc payment at the end of the loan is $ .

Find the number of payments.

The total cost of loan is represented by .

Marcs makes payment.

(a) Marc intial payment is at rate of payment is increasing .

(b) Marc makes payment.