I need questions 10, 11 and 12

10. Sally in Q19 will make annual withdrawals for 23 consecutive years beginning one year from the last day of work. What is the amount she can withdraw each year if interest rate is 4% ? 11. What is the effective annual rate on a savings account that offers 10% compounded quarterly? 12. A particular bond that offers coupon payments of $100 for 10 years and returns its face value of $1,000 at maturity is currently priced at $800. What is the bond's YTM