The manned is a powerful force in a free market and 3 to 4 cents and fling some of the factors that cause changes in demand and why it is important for consumer standards and the changes

The description as per the given question is provided below.

Step-by-step explanation:

Demand reflects a shareholder's intent to attract consumers as well as works as a gauge of such a buyer's ability to collect a particular preference for a particular commodity.

The factors that change the demand are as follows:

a. is correct

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