Which of the following are computer-based databases that include comprehensive information about the firm's cost drivers?

		Cost tables.
		Cost databases.
		Cost driver tables.
		Excel tables.

Fixed costs will often be irrelevant for decision making because they:

		Do not vary on a per-unit-of-output basis.
		Are the same each time period.
		Typically do not differ between and among decision alternatives.
		Are not committed.
		Cannot be estimated with precision.

A special sales order is:

		Typically expected.
		A profitable opportunity to sell a specified quantity of a firm's product or service.
		A one-time opportunity to sell a specified quantity of a product or service.
		A particularly large customer order.
		In most cases, a rush order.