Complete the following problems and show your work to receive full credit for each problem. 1. Christina also invests $15,412 but instead chooses to invest into a passively managed index fund that is linked to the S&P 500, with an expense ratio of 0.8%. Her investment also earns a 5.1% rate of return. a. How much profit did she make in one year on her investment with the 5.1% rate of return? b. How much does she pay in fees for her passively managed index fund? c. At the end of the year, what’s the total value (AFTER FEES) of Christina’s mutual fund?