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 whole number. month(s) b. If simon makes monthly payments of $70, how many months will it be before he pays off the debt? Do not round intermediate calculations. Round your answer to the nearest whole number. month(s) c. How much more in total payments will Simon make under the $20-a-month plan than under the s70-a-month plan? Do not round intermediate calcuiations. Afund your. answer to the nearest cent