By the Age of ____, the Brain Has Reached 90

question 12

Multiple Choice

 By the age of ____, the brain has reached 90% of its adult size.

• A) 6 months
• B) 1 year
• C) 2 years
• D) 5 years

---

Definitions:

Residual Income

Residual income is the profit remaining after deducting all required costs of capital from operating income.

Margin

Typically refers to the difference between the selling price of a product and its cost, used to measure profitability.

Turnover

The rate at which inventory or assets are sold and replaced or the rate at which employees are replaced in a business.

Residual Income

The amount of income that an investment or project generates above the minimum rate of return.