Which one of the following tools of analyses is not commonly used in cost estimation?

		High-low estimation
		Activity based costing
		Least-squares regression
		Scatter diagrams

Given the cost behavior in the table below, which of the three costs is a variable cost?

		Cost 1		Cost 2		Cost 3
Month	Units Produced	Total Costs	Cost per Unit	Total Costs	Cost per Unit	Total Costs	Cost per Unit
1	50	$100	$2.00	$200	$4.00	$200	$4.00
2	75	200	$2.67	$200	$2.67	$300	4.00

		None of the three are variable costs
		Cost 3
		Cost 1
		Cost 2

Why are overhead costs allocated across different products?

		To facilitate product pricing decisions.
		All of the other answers
		So that managers have incentive to use resources efficiently.
		To comply with U.S. GAAP

Which of the following costs can be treated as part of the cost of product for internal reports?

		Wages of production workers
		All of the above
		Depreciation on the kitchen sink in the plant cafeteria
		Cost of shipping products to customers