The Incomes of Middle-Class Americans

question 96

Multiple Choice

The incomes of middle-class Americans

• A)have largely stagnated over the last 40 years.
• B)have increased significantly over the last 40 years.
• C)have decreased significantly over the last 40 years.
• D)decreased significantly between 1976 and 1996 but have increased significantly since 1996.

---

Definitions:

Net Operating Income

The income generated from normal operations of a business, excluding expenses and revenues from non-operating activities like investments.

Variable Production Costs

Costs that vary directly with the level of production output, such as raw materials and labor costs.

Sales Commissions

Fees paid to sales representatives as a percentage of the sales they generate.

Traceable Fixed Advertising

Fixed advertising costs that can be directly linked to a specific product, segment, or area of the business.