i am struggling with this question can someone help me

Exercice 5: A small-scale businessman receives income at the end of each year from his business. He carns S1000 in the first year, 83000 in the second year, $5000 in the third and $7000 in the fourth year. The applied annual interest rate of 7%. Calculate the present value of the cash inflows today. $100 payable quarterly for 10 years at the annual rate of interest of 8% convertible quarterly. Also calculate its future value at the end of 10 years. Calculate the present value of an annuity-immediate of amount $100 payable quarterly for 10 years at the annual rate of interest of 8% convertible quarterly. Also calculate its future value at the end of 10 years. Calculate the present value of an annuity-immediate of amount $100 payable quarterly for 10 years at the annual rate of interest of 8% convertible quarterly. Also calculate its future value at the end of 10 years