please answer correct

Question 15 Not yet answered Marked out of 1.00 Flag question A customer charges a treadmill at Sports Equipment Shop. The price is $5,000 and the financing charge is 5% per annum if the bill is not paid in 36 days. The customer fails to pay the bill within 30 days and a finance charge is added to the customer's account. Select one: a. $9 b. $300 c. The answer does not exist d. $250 e. $90