please answer in detail

3. What is the total difference between the payments you will make with the 15 -year mortgage and the payments you will make with the 30 year mortgage assuming you stay in the house for 30 years? 4. Assuming no change in the value of the house, how much equity will you have after 8 years assuming you choose the 30 -year mortgage? What about with the 15 -year mortgage? Note: Your calculator can do amortization