Solve for the unknown interest rate in each of the following: YEARS ? B PRESENT VALUE $1500 $7000 $29000 $59000 ? ? INTEREST RATE 12.0% 8.0% 17.0% 22.0% FUTURE VALUE $3000 $13000 $630000 $310000 C D ? A) Number of Years: (Round to two decimal places.) B) Number of Years: (Round to two decimal places.) C) Number of Years: (Round to two decimal places.) D) Number of Years: (Round to two decimal places.)