18. You expect General Motors (GM) to have a beta of 1.3 over the next year and the beta of Exxon Mobil (XOM) to be 0.9 over the next year. Also, you expect the volatility of General Motors to be 40% and that of Exxon Mobil to be 30% over the next year. Which stock has more systematic risk? Which stock has more total risk? A. GM, XOM B. XOM, GM C. GM, GM D. XOM, XOM 19. A company spends $20 million researching whether it is possible to create a durable plastic from the process waste from feedstock preparation. The $20 million should best be considered A. as a fixed overhead expense B. as an opportunity cost C. as a capital cost D. as a sunk cost