(Annulty number of periods) Youve just bought a new flatscreen TV for $4.200 and the store you bought it from offers to let you finance the entire purchase at an annual rate of 12 percent oompounded monthly. If you take the financing and make monthly payenents of $120, how long will it take to pay off the loan? How much will you pay in interest over the life of the loan? a. The number of years it will take to pay oft the ioan is years. (Round to one decimal place.)