please answer this question using finance knowledge

1 . Suppose lily is a 20- years old university student . According to finance , design a life - cycle model for her . Note : in this work , you should first clearly present your assumptions and any notations you adopt for your work

b. You should compute how much lily needs to save for her retirement by assuming that she needs to maintain the same level of assumption spending before and after retirement.

c. Solve an incentive problem you or your relatives encountered.

d . You should state clearly what the problem is . And why this problem is related to finance .

e. Solve this problem using using any finance method