Please show work using financial calculator or equations. Thank you(:

3. Chris has invested $15,000 in a savings account that is paying interest at a 7.8% (stated rate), compounded monthly. What is the Annual Percentage Yield (APY) that Chris is earning on his investment? 4. Calculate the present value of the annuity stream of $7,000 received each quarter for six years on the first day of each quarter if your investments pay 6 percent compounded quarterly