Live Forever Insurance Company is selling a perpetual annuity contract that pays $2,800 monthly. The contract currently $328,000 a. What is the monthly return on this investment vehicle? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, b. What is the APR? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, c. What is the effective annual return? Note: Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places