Do you believe a firm must have a firm grasp of the concepts of differential cost, opportunity cost and sunk cost to be effective in making business decisions?

Which one of the following best describes pro forma financial statements? select one: a. financial statements expressed in a foreign currency b. financial statements where the assets are expressed as a percentage of total assets and costs are expressed as a percentage of sales c. financial statements showing projected values for future time periods d. financial statements expressed in real dollars, given a stated base year e. financial statements where all accounts are expressed as a percentage of last year's values