Maybepay Life Insurance Co. is selling a perpetual annuity contract that pays $2,800 monthly. The contract currently sells for $328,000. Requirement 1: What is the monthly return on this investment vehicle? (Round your 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).) Monthly return % Requirement 2: What is the APR? (Round your 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).) Annual percentage rate % Requirement 3: What is the effective annual return? (Round your 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).) Effective annual return %