Possible.: I do not know which of the supplements that you are taking (since force factor supplements has a number of products). It is certainly a possibility. Please stop the supplement and consult w your physician if you note increased agitation/ irritability/ anger associated with starting a new product.
Qvar Prices. This Qvar price guide is based on using the Drugs.com discount card which is accepted at most U.S. pharmacies. The cost for Qvar inhalation aerosol (40 mcg/inh) is around $64 for a supply of 7.3 grams, depending on the pharmacy you visit. Prices are for cash paying customers only and are not valid with insurance plans.
Marginal cost. Marginal cost is the derivative of the cost function, so take the derivative and evaluate it at x = 100. Thus, the marginal cost at x = 100 is $15 â this is the approximate cost of producing the 101st widget.