Please answer the following in detail.

Brenda Young desires to have $15,000 eight years from now for her daughters college fund. If she will earn 6 percent (compounded annually) on her money, what amount should she deposit now? Use the present value of a single amount calculation.

For each of the following ratios, explain what it tells the manager, the calculation that is performed and an example:

a. Debt -Equity Ratio

b. Current Ratio

c. Liquidity Ratio