3. Consider today a mutual fund containing 1,000 shares of Merck, currently trading at $64.75, 2,000 shares of General Motor, currently trading at $62.60, and 1,500 shares of Pfizer, currently trading at $43.50. The mutual fund has no liabilities and 15,000 shares outstanding held by investors. (10") What is the NAV of the fund today? (3) a. b. Calculate the change in the NAV of the fund if tomorrow Merck's shares increase to $66, General Motor's shares increase to $65, and Pfizer's shares drop to $30. (3) Suppose that today 1,000 additional investors buy one where each of them fundo NAV of $17.01. The fund manager decides to vie these additional funds to buy add shares in Prizer Immediately. Calculate tomorrow's NAV given the same rise in thore values assumed in part b. (4)