Final answer:
The company selling umbrellas discovering that the area is expecting increased rain this season is an example of a shift in supply in the field of Business.
Step-by-step explanation:
The company selling umbrellas discovering that the area is expecting increased rain this season is an example of a shift in supply in the field of Business. When there is an increase in demand for umbrellas due to increased rain, the company can respond by increasing the supply of umbrellas to meet the higher demand. This shift in supply is a result of external factors, such as changes in weather conditions, which impact the market for umbrellas.