please answer all 4 multiple choice questions (check allows me to submit 4)

What is the effective annual rate for 10% APR compounded monthly? (rounded to two decimal places) 10.47% 10.52% 10.38% 11.57% 11.46% If the discount rate is 7.6%, what would you be willing to pay for receiving a payment of $700 every year forever? $9,423.07 $53.20 $9,623.42 $9,210.53 $9,517.22 An investment of $20,000 grows into $35,000 over a period of 10 years. What is the APR provided by this investment? 5.76% 6.42% 7.25% 8.32% 9.7896 Buford plans to retire with $722,530 in the bank. The appropriate rate of return is 9.6%. If Buford saves $13.200 every year, how soon can Buford retire? 16 years 18 years 20 years 22 years 24 years