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.
Also, think about the law of demand. If the price is low, that increases the demand for goods from Costco. That's why Costco has to sell items in bulk. If they sold small items for too cheap, they wouldn't be able to make money. Also, Costco has rapid inventory turnover.