A magnesium test checks the level of magnesium in the blood. Magnesium is an important electrolyte needed for proper muscle, nerve, and enzyme function. It also helps the body use energy and is needed to move other electrolytes (potassium and sodium) into and out of cells.
Floors in Pricing. A price floor is the lowest amount at which a good or service may be sold and still function within the traditional supply and demand model. Prices below the price floor do not result in an appropriate increase in demand.
A price floor is. a source of inefficiency in a market. B) a legal minimum on the price at which a good can be sold. C) often imposed when sellers of a good are successful in their attempts to convince the government that the market outcome is unfair without a price floor. D) All of the above are correct.