Answer:
One person's spending is another person's income
Explanation:
The economic principle that this statement best represent is one person's spending is another person's income as this refers to the fact that when someone buys a product or service, the money paid represents earnings for the person that owns the business and the employees. In this case, the typewriter shop went out for business because people is not spending money in typewriters and because of that, Alfred doesn't get any income.
