What beginning-of-month withdrawals can a $400,000 RRIF (Registered Retirement Income Fund) sustain for 20 years if the investments within the RRIF earn:(Do not round intermediate calculations and round your final answers to 2 decimal places.)

calculate the total earnings distributed over the life of the annuity in each case.

a.3% compounded monthly.Total earnings $___b.4.5% compounded monthly.Total earnings $___c.6% compounded monthly. Total earnings $___d.7.5% compounded monthly. Total earnings $___