Johnson has a $5 ,000 debt balance on his Visa card that charges 12.9 percent APR compounded monthly. In 2009, Johnson's minimum monthly payment is 33 percent of his debt balance, which is $150. How many months (round up) will it take Johnson to pay off his credit card if he pays the current minimum payment of $ 150 at the end of each month? In 2010, as the result of a federal mandate, the minimum monthly payment on credit cards rose to 44 percent. If Johnson made monthly payments of $200 at the end of each month, how long would it take to pay off his credit card. also, if Johnson made monthly payments of

$150 at the end of each month, how long would it take to pay off his credit card?