I am stuck please help! Thank you!

The owner of Oak Hill Squirrel Farm deposits $3,000 at the end of each quarter into an account paying 2.5% compounded quarterly. What is the value at the end of 6 years, 6 months? (Round your answer to the nearest cent.) $ Need Help? . [40.68 Points] SMITHNM13 11.5.050. ASKYOURTEACHER l PRACTICEANOTHEI Clearlake Optical has a $50,000 note that comes due in 6 years. The owners wish to create a sinking fund to pay this note. If the fund earns 4.5% compounded semiannually, how much must each semiannual deposit be? (Round your answer to the nearest cent.) $ Need Help? .[I0.68Points] SMITHNM1311.6.049. ASKYOURTEACHER l PRACTICEANOTHEI A $1,000,000 lottery prize pays $50,000 per year for the next 20 years. If the current rate of return is 4.25%, what is the present value of this prize? (Assume the lottery pays out as an ordinary annuity. Round your answer to the nearest cent.) $ Need Heln