Determine the tax-free amount of the monthly payment in each of the following instances. Use the life expectancy tables. Use Table I, Table III and Table V. Person A is age 57 and purchased an annuity for $82,000. The annuity pays $600 per month for life. (Round exclusion percentage computation to one decimal place.) Person B is 73 and purchased an annuity for $80,000. The annuity pays $950 per month for life. (Round exclusion percentage computation to one decimal place. Round your final answer to 2 decimal places.) Person C is 68 and purchased an annuity for $40,000 that pays a monthly payment of $550 for 10 years. (Round exclusion percentage computation to one decimal place. Round your final answer to 2 decimal places.)