Simon recently received a credit card with an 20% nominal interest rate With the card, he purchased a. If Simon makes the minimum monthly payment and makes no other charges how many months will it be before he pays off the card? Do not round intermediate calculations Round your answer to the nearest while. b If Simon makes monthly payments of $60, how many months will it be before he pays off the debt Do not round intermediate calculations Round your answer to the nearest whole. c. How much more in total payments will Simon make under the $20-a-month plan than under the $60-a-month Do not round intermediate calculation. Round your answer cent