Use the following to answer questions:
Figure: The Demand for Notebook Computers 
-(Figure: Demand for Notebook Computers) Look at the figure The Demand for Notebook Computers. The change in total revenue resulting from a change in price from P to T suggests that demand is:
Definitions:
Contribution Margin
The amount remaining from sales revenue after variable expenses have been deducted; a measure of profitability.
Total Cost of Goods Sold
The sum of all costs directly involved in producing or purchasing products sold by a company during a given period.
High-low Method
A technique used to estimate fixed and variable components of costs by analyzing the highest and lowest levels of activity.
Utilities Cost
The expenses incurred for utilities consumed by a business, such as electricity, water, and gas.
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