The United States Has Little or No Reserves of Four

question 50

Short Answer

The United States has little or no reserves of four _______________ - cobalt,chromium,manganese,and platinum - which are vital to the country's economic and military strength.

---

Definitions:

Individual Income

The total earnings received by an individual from all sources, including wages, investments, and other forms of compensation.

Marginal Tax Rate

Refers to the rate at which the last dollar of income is taxed, indicating how much tax will be paid on an additional dollar of income.

Tax Payment

The process of paying taxes to governmental authorities, which is obligatory for individuals and businesses.

Tax Rate Structure

The way in which tax rates progress based on variables such as income level, with different rates applied to different levels or brackets of income.