need 3 and 4

3. What is the present value of $4,400 in 5 years at 7% interest? How would the present value be impacted if the number of years was 4 ? What if it was 6 years? 4. What is a firm's earnings per share if its earnings after taxes are $328,000 with 225,000 shares butstanding? What would the earnings per share be if shares outstanding was 275,000 ? What if it was 150,000 shares