Which of these statements is true? Group of answer choices Many people purchase stocks as they find comfort in the certainty for this safe form of investing. When people purchase a stock, they know the short-term return, but not the long-term return. When people purchase a stock, they do not know what their return is going to be-either short term or in the long run. When people purchase a stock, they know exactly what their dollar and percent return are going to be.