The amount at any given volume of output by which aggregate costs are changed if the volume of output is increased or decreased by one unit, can be otherwise termed as:

A. tax compliance. B. financial audit. C. cost ascertainment. D. profit analysis.

A. hospitals B. oil refing firms C. transport firms D. brick laying firms

A. two ways B. three ways C. four ways D. several ways

A. imputed cost B. historical cost C. sunk cost D. shutdown cost