(comprehensive problem) Suppose that you are in the fall of your senior year and are faced with the choice of either getting a job when you graduate or going to law school. Of course, your choice is not purely financial. However, to make an informed decision, you would like to know the financial implications of the two alternatives. Let's assume that your alternatives are as follows: if you take the "get a job" route, you expect to start off with a salary of $45,000 per year.