please answer all. excel formula input

Q12) What is the most you would be willing to pay for a investment that will pay you $856.00 in one year, $863.00 in two years, and $627.00 in three years, if your required rate of return for this type of investment is 13.53% ? (1.5 points) Q13) Suppose you signed a contract for a special assignment over the next 11.0 years. You will be paid $19,656.00 at the end of each year. If your required rate of retum is 19.48%, what is this contract worth in today? (1.5 points) Q14) You need a loan to purchase new equipment. The loan will be paid off over 11.0 years with payments made at the end of every quarter. If the stated annual rate is 7.63% and quarterly payments are $115.00, what is the loan amount? (1.5 points) Q15) You would like to purchase a car for $17,006.00. If the car loan is 10.36% financed over 3.0 years, what will the monthly payments be for this car? (1.5 points)