The cash prices of six-month and one-year Treasury bills are 94.0 and 89.0, respectively. A 1.5-year bond that will pay coupons of $4 every six months currently sells for $94.84. A two-year bond that will pay coupons of $5 every six months currently sells for $97.12. What is the 1.5 year zero rate? Please enter your answer as a percent with two decimal places, e.g. six point five percent should be entered as 6.50