Suppose that i_t =5% (n=1), and that future short term interest rates for the next 4 years are not expected to change. The liquidity premium l_n,t for n=2, 3, and 4 is 0.25%, 0.35% and 0.5% respectively. Calculate i_n,t for n=2, 3, and 4. SHOW ALL WORK. Plot the yield curve.