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.
Price Floor. a government regulation that places a lower limit on the price at which a particular good, service, or factor of production may be traded. Price Ceiling/ Price Cap. a government regulation that places an upper limit on the price at which a particular good, service, or factor of production may be traded.