Please help with D and F

Answer the following time value of money questions assuming the interest rate is 7 percent. a. What is the present value of $2,300 to be received in four years? b. What is the present value of $2,300 to be received in eight years? c. What will be the value in seven years of $12,800 invested today? d. How much would you pay for the right to receive $5,800 at the end of year 1,$4,800 at the end of year 2 , and $8,800 at the end of year 5 ? e. How long will it take for a $2,800 investment to double in value? f. What will be the value in 20 years of $2,600 invested at the end of each year for the next 20 years? Note: Round your answers to 2 decimal places