destion 4 ( 20 points): Social security is a retirement plan that pays a constant pension ( C. . cvery year after the age of 60 for n years, that is, the first pension is paid at age 61. However, a covered individual should have paid n payments (=CF7) in the past n years to be eligible for social security (the last payment is at age of 60). To be breakeven, what is the ratio of CF1/CF2