CFs. This is, essentially, a trial-and-error procedure that is easy with a computer or financial calculator but quite difficult otherwise. d. If you solve for I and get a negative number, then you must have made a mistake. e. If CF0 is positive and all the other CFs are negative, then you cannot solve for I. 3. Riverside Bank offers to lend you $50,000 at a nominal rate of 6.5%, compounded monthly. The loan (principal plus interest) must be repaid at the end of the year. Midwest Bank also offers to lend you the $50,000, but it will charge an annual rate of 7.0%, with no interest due until the end of the year. How much higher or lower is the effective annual rate charged by Midwest versus the rate charged by Riverside? a. 0.52% b. 0.44% c. 0.36% d. 0.30% e. 0.24% 4. Steve and Ed are cousins who were both born on the same day, and both turned 25 today. Their grandfather began putting $2,500 per year into a trust fund for Steve on his 20th birthday, and he just made a 6th payment into the fund. The grandfather (or his estate\'s trustee) will make 40 more $2,500 payments until a 46th and final payment is made on Steve\'s 65th birthday. The grandfather set things up this way because