Use the table below to answer the following question.OutputTotal Cost0$10120228338453573698The marginal cost of producing 3 units of output is

The bargaining power of suppliers increases if

A) the input supplied is relatively standardized. B) the input in question is not a critical component of production. C) the cost of switching suppliers is relatively low. D) there are only a few competitors to the supplier.

A demand curve shows the relationship

a. between income and quantity demanded. b. between price and income. c. between price and quantity demanded. d. among income, price, and quantity demanded.