What is the interest rate at the end of year 7 at 4%, 10% and 14% ???

Different cash flow. Given the following cash inflow at the end of each year, what is the future value of this cash flow at 4%, 10%, and 14% interest rates at the end of year 7? Year 1 Year 2: Year 3 Years 4 through 6: Year 7: $13,000 $22,000 $31,000 $0 $140,000 What is the future value of this cash flow at 4% interest rate at the end of year 7? (Round to the nearest cent.)