You are given two perpetuities. Perpetuity A pays the amount of 1 at times n = 1, 2, 3, …, i.e., perpetuity A is a unit perpetuity immediate. Perpetuity B pays 2 at times 2, 4, 6, …, i.e., at the end of each even numbered year, and makes no other payments. Let v =be the annual discount factor. You are given that v = 0.95. Find the difference between the Macaulay duration of Perpetuity A and Macaulay duration of Perpetuity B.