can someone explain the answer using the time value of money calculator inputs, like what is N, PMT, PV, FV and I/Y

Your uncle has said that if you agree to finish college he will give you equal payments of $1,000 at the end of each year for the next seven years. If the annual interest rate stays constant at 5%, what is the value of these payments in today's dollars? (Note: Round your answer to the nearest whole dollar.) $7,233 $6,075 $4,918 $5,786 You found out that now you are going to receive payments of $7,500 for the next 16 years. You will receive these payments at the beginning of each year. The annual interest rate will remain constant at 14%. What is the present value of these payments? (Note: Round your answer to the nearest whole dollar.) $46,988 $53,566 $72,314 $42,853