Solve the following Cost$-$Benefit Problem:

Paula has a high school degree and is considering going to law school. If she does, she will spend $$50,000$ on tuition and books to get an undergraduate college education $)=(0$ on tuition and books to get a law degree $)=(1,$ and her law degree will benefit her $$300,000$ during the remainder of her work$-$life $)=(2.$ Paula's time preference for money is associated with a per$-$period interest rate of $10$ percent. Approximately what is Paula's net present value of obtaining a law degree, set up over $3$ time periods? Should she invest in education?