Sabrina has gone out to lunch three times this week. she has some extra money, so she decides to go out to lunch a fourth time. the economic principle this statement best represent: "How much" is a decision at the margin.
How much decision at margin can be defined as the process in which a person tend to compare the benefit they will derived form the use of a product to the extra cost they will incurred.
Sabrina is making use of the economic principle called How much decision at margin which is why she has gone out to lunch three times this week. she has some extra money and decides to go out to lunch a fourth time.
Therefore the economic principle this statement best represent: "How much" is a decision at the margin.
Learn more about how much decision at margin here:https://brainly.com/question/3322255
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