hi i need help with these questions:

1. maybepay life co insurance is selling a perpetual annuity contract that pays $2500 monthly. The contract currently sells for $265,000. What is the monthly return on this investment vehicle? what is the apr? the effective annual return?

can you show the calculator functions please

2. make monthly deposits of $5000 into a retirement acct that pays 10.3 percent interest compounded monthly.

suppose you make $6000 annual deposits in the same retirement account.

how large will it be in 35 years?

3. Beginning three months from now, you want to be able to withdraw $2100 each quarter from your bank account to cover college expenses over the next four years. If the account pays .45 interest per quarter, how much do you need to have in your bank account today to meet your expense needs over the next four years?