When the return on equity equation (ROE) is decomposed using the original DuPont system, what three ratios comprise the components of ROE（） A: Gross profit margin, asset turnover, equity multiplier. B: Net profit margin, asset turnover, asset multiplier. C: Net profit margin, asset turnover, equity multiplier.

An example of a social complementary asset is

The higher the standard deviation of returns on an asset, the _________ is the asset's _________

An asset is ________ when another asset can do the job more efficiently.

The entry to record depreciation expense at the end of an accounting period( ). A: reduces the book value of the asset being depreciated B: is an example of an accrual C: reduces the balance in a contra asset acount D: increased the depreciable cost of the asset being depreciated