Two Vending Machines Sit Side by Side in a A College

question 28

Multiple Choice

Two vending machines sit side by side in a a college dorm. One machine sells Coke products and the other sells Pepsi products. Daily sales of Coke products, based on the prices of the products in the two machines are shown in the table below. In order to estimate the sales of Coke products when the price of Coke is $0.75, which variable should be held constant?

• A) no variables need to be held constant
• B) the daily sales of Coke products
• C) the cost of Coke and Pepsi
• D) the cost of Coke
• E) the cost of Pepsi

---

Definitions:

Income Security

Government programs designed to protect individuals from economic hardships and ensure a minimum level of income.

Administrative Burden

The workload and costs associated with bureaucratic procedures and regulations, often mentioned in the context of criticisms of government or organizational inefficiency.

U.S. Income Tax

The federal tax levied by the Internal Revenue Service on the annual earnings of individuals, corporations, trusts, and other legal entities.

Average Tax Rate

The proportion of total income that is paid as taxes, calculated by dividing the total amount of taxes paid by the total income.