Forecasting interest Rates On May 23, 20XX, the existing or current (spot) one-year, two-year, three-year, and four-year zero-coupon Treasury security rates were as follows: _1R_1 = 6.05%, _1R_2 = 6.55%, _1R_3 = 7.05%, _1R_4 = 7.25% Using the unbiased expectations theory, what is the one-year forward rate on zero-coupon Treasury bonds for year four as of May 23, 20XX 7.25% 24.76% 7.85% 6.725%