The following data show the demand for an airline ticket dependent on the price of this ticket. 
For the assumed cubic and log-log regression models,Demand = β0 + β1Price + β2Price2 + β3Price3 + ε and ln(Demand) = β0 + β1ln(Price) + ε,the following regression results are available. 
Which of the following is the price elasticity of the demand found by the log-log model?
Definitions:
Consumer Packaging
The packaging used for goods that are intended for retail sale, with considerations for marketing, protection, and information.
Labelling Act
Legislation that mandates the disclosure of information on the packaging of consumer products to ensure transparency and consumer safety.
Unconscionable Transactions Relief Act
Legislation providing remedies against agreements made under unfair conditions.
Protection
Measures or actions taken to guard against harm, damage, loss, or any unwanted outcome, often referring to safeguarding people, property, or interests.
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