Suppose that you own $10,000 worth of stock in General Motors. Adding stock in which of the following companies would be least likely to reduce the risk in your portfolio?

Manager-determined prices are

A. not determined by the forces of demand and supply. B. exogenous variables in a demand equations. C. associated with price-taking firms. D. both a and b E. both b and c

A surgeon charges $5,000 for a procedure. His contract with your insurer sets an allowed fee of $3,000. You are responsible for 25% of the allowed fee. How much do you pay?

What will be an ideal response?