Use the figure below to answer the following questions. 
Figure 3.4.2
-Refer to Figure 3.4.2.When the price is $10 a unit,
Definitions:
Everyday Low Prices
A pricing strategy where retailers promise consumers the lowest available prices without periodic sales or discounts.
Supermarkets
Large retail market establishments that sell a wide variety of goods, primarily food and grocery items, but often also household goods.
Trade-In Allowance
The amount a seller offers to reduce the cost of a new item when a customer gives back an old item as part of the transaction.
List Price
The advertised price of a product or service before any discounts or promotions are applied.
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