If You Have Had the Mumps Once,you Cannot Get Them

question 101

True/False

If you have had the mumps once,you cannot get them again.This is an example of natural active immunity.

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Definitions:

Present Value

The current worth of a future sum of money or stream of cash flows given a specified rate of return.

Present Value

The present value is the current value of a future sum of money or stream of cash flows, discounted at a specified rate of interest.

Cash Flows

The total amount of money being transferred in and out of a business, serving as a measure of its financial health.

Contribution Margin

The amount that one unit contributes to profit. It is defined as price minus marginal cost.