i need help with those 3 question please make sure the answer is correct. also please do not use excel to solve as the answers were wrong.

1. A college plans to set up an endowment fund that will provide a scholarship of $2,500 at the end of every quarter, in perpetuity. How much should the college invest in the fund, if the fund earns 4.25% compounded quarterly? Round to the nearest cent 2. Austin purchased an annuity that had an interest rate of 4.00% compounded semi-annually. It provided her with payments of $3,000 at the end of every month for 3 years. If the first withdrawal is to be made in 4 years and 1 month, how much did she pay for it? Round to the nearest cent 3. Whitney set up a fund that would pay her family $4,000 at the beginning of every month, in perpetuity. What was the size of the investment in the fund if it was earning 3.00% compounded semi- annually? Round to the nearest cent ABC