D2.

CU Invest is considering investment in either the stock market or the real estate market. For the stock market, an investor could either go for "High-tech companies" or "Other businesses." Historical data show that investing in "High-tech companies" has a 25% chance of earning $350, a 40% chance of earning $200, and a 35% chance of losing $300, while investing in "Other businesses" has a 40% chance of earning $180, a 35% chance of earning $120, and a 25% chance of losing $100. On the other hand, for the real estate market, an investor could choose to invest in either "Commercial buildings" or "Residential buildings." It is known that investment in "Commercial buildings" has a 50% chance of making $200, a 30% chance of making $80, and a 20% chance of losing $160, while investment in "Residential buildings" has a 40% chance of making $150, a 40% chance of making $120, and a 20% chance of losing $80. Please help CU Invest with its investment decision using the Decision Tree method