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 percentage of variations in ln(Demand) explained by the log-log regression equation?
A) 98.52%
B) 98.50%
C) 91.39%
D) 97.93%
Correct Answer:
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