On February 28, 2021, the existing or current (spot) one-, two-, three-, and four-year zero-coupon Treasury security rates were as follows: R 1,1 = 0.35% R 1,2 = 1.01% R 1,3 = 1.52% R 1,4 = 1.99% What is the one-year forward rate in four years? A 2.94% B 2.55% 3.41% 1.67% E 2.34%