Curlys Life Insurance Co. is trying to sell you an investment policy that will pay you and your heirs $26,000 per year forever. A representative for Curlys tells you the policy costs $510,000. Required: At what interest rate would this be a fair deal? (Enter rounded answer as directed, but do not use rounded numbers in intermediate calculations. Enter your answer as a percent rounded to 2 decimal places (e.g., 32.16).) Interest rate %