go solve all this plz

1. What is the value of the following set of cash flows today? The interest rate is 8.5%. Year Cash Flow 2. The present value interest factor of an annuity due for 3 years at 8% equals: 3. What is the present value of $2,500 semiannual payments received at the beginning of each period for the next 10 years? The APR is 6%. 4. Your mortgage payment is $600 per month. There are exactly 180 payments remaining on the mortgage. The interest rate s 8.0%, compounded monthly. The next payment is due immediately. What is the balance of the loan? [Hint: This is an annuity due.] 5. Your mortgage payment is $600 per month. There are exactly 180 payments remaining on the mortgage. The interest rate s 8.0%, compounded monthly. The next payment is due in 15 days. What is the balance of the loan? [Hint: Assume 30 days per month.] 6. The present value interest factor of an annual ordinary annuity for 3 years at 8% equals: 7. The present value interest factor of a semiannual ordinary. annuity for 3 years at 8% equals: 8. The future value interest factor of an ordinary annuity for 3 years at 8% equals: 9. Suppose an annuity costs $40,000 and produces cash flows of $10,000 over each of the following eight years. What is the rate of return on the annuity? 10. You borrow $80,000 to be repaid in equal monthly installments for 30 years. The APR is 9%. What is the monthly payment