What Percentage of the Species That Have Ever Existed on Earth

question 15

Multiple Choice

What percentage of the species that have ever existed on Earth are probably now extinct?

• A) less than 10%
• B) more than 99.9%
• C) about 80%
• D) about 25%
• E) about 75%

---

Definitions:

Absorption Costing

A method of costing that includes all manufacturing costs - direct materials, direct labor, and both variable and fixed manufacturing overhead - in the cost of a product.

Variable Costing

An accounting method that includes only variable costs - costs that change with production levels - in product cost calculations.

Net Operating Income

It refers to the profit generated from a company's ordinary, core business operations after subtracting operating expenses from operating revenues.

First Year

The initial year of operation, production, or accounting period.