You decide to deposits $4,000 into an account now, $2, 500 3 years from now, and $5,000 6 years from now. The interest is 5% for the first 3 years and 7% for the last 3 years. How much money will be in the fund at the end of 6 years? What is the present worth of the fund? What is the uniform series equivalent of the fund (uniform cash flow at end of years 1 through 6)