All business decisions involve aspects of risk and return. Required Identify both the risk and the return

Question:

All business decisions involve aspects of risk and return.

Required
Identify both the risk and the return in each of the following activities:
1. Stashing $1,000 cash under your mattress.
2. Placing a $500 bet on a horse running in the Kentucky Derby.
3. Investing $10,000 in Nike stock.
4. Investing $10,000 in U.S. Savings Bonds.