a. If Simon makes the minimum monthly payment and makes no other charges, thow many months will it be before he pays off the card? Do not round intermediate calculatiens. Round your answer to the nearest whole number menth(s) b. If Simon makes monthly payments of $70, how many months will it be before he poys off the dest? Do not round intermediate calculstions. Round your aniswer to the nearest whole number. mooth(s) c. How much more in total payments will Simon make under the s20-a-month plan than under the s70-a-menth plan? Do not round intermediate cakulations. Round your answer to the nearest cent