The opposite can be true; i.e., people with large muscle mass sometimes have elevated CK levels in the absence of any pathology. This particular enzyme falls into a category where an individual's own normal is more relevant than the normal range given for a population.
1 If the demand increases, and the supply remains the same, there will be a shortage. 2  This will mean the price will increase. 3  If the demand decreases, and the supply remains the same, there will be a surplus. 4  This will mean the price will go down.
If a product is expensive, and is a large percentage of one's income, then the product tends to be more elastic. If a product is not a significant portion of the income the product tends to be more inelastic. Take a house for example, if prices were to drop, demand would go up alot. The same holds true for a car.