3: You are considering investing in a given project with the following cash flows: CFO -5,250 CF1 +3,615 CF2 526 CF3 +4,360 What is the project's NPV if the opportunity cost of capital is 6%? a.- 5,467.78. b.-4,531.50. c. - 2,316.11. d. + 1,352.98. e. + 3,690.42. f. + 5,032.22. 4: Spring Direct Bank has launched a new Green Account. The latter includes the monthly capitalization of interest with the following conditions: 8% AER the first 18 months, and 1% AER after that. What is the AER for a 7-year deposit in that account? a. 1.61%. b. 2.46%. c. 3.34%. d. 4.84% e. 5.62%. f. 6.36%