Refer to the figure above. The region ________ shows the producer surplus after the imposition of the tax

A public franchise

A) is an unregulated monopoly necessary for the public good. B) is a government designation that a private firm is the only legal producer of a good or service. C) is a corporation that is owned by stockholders. D) results from ownership of a key raw material.

Regarding costs, which of the following statements is true?

a. costs can be measured in different ways b. costs appropriate for financial reporting purposes are appropriate for decision-making purposes c. the relevant cost in economic decision making is the initial cost d. sunk costs should always be considered in making operating decisions e. none of these is true