1) You are given a perpetuity, with annual payments as follows: a (i) Payments of 1 at the end of the first year and every three years thereafter. (ii) Payments of 2 at the end of the second year and every three years thereafter. (iii) Payments of 3 at the end of the third year and every three years thereafter. The interest rate is 5% effective annually. Calculate the present value of this perpetuity