At an annual effective interest rate of 10.9%, each of the following are equal to X: The accumulated value at the end of n years of an n-year annuity-immediate paying 21.80 per year. The present value of a perpetuity-immediate paying 19,208 at the end of each n-year period. Calculate X. A 1,555 B1,750 C1,960 D 2,174 EThere is not enough information given to calculate X