Simon recently recelved a cred c card with a 12% nominal interest rate. With the card, he purchased an Apple iPhone 11 for 5800 , The minimum payment on the card is only $20 per month. a. If simon makes the minimum monthly payment and makes no other charges, hew many months will it be before he pays off the card? Do not round intermediate caiculations, Round your enswer to the nearest whole number month(s) b. If Simen makes menthy payments of $70, how many months wili is be before he pays off the debt? Do not round intermediate calculations, Round your answer to the nearest whole number. menth(s) c. How much more in total payments wit simon make under the 520 -a-month plen than under the 570 -armonth plan? Do not round intermediate calculations. Round your answer to the nesrest cent