1) Estimate this demand model. Attach the three output tables for model summary, ANOVA, and coefficients. 2) In this demand model, what does the '31 coefficient represent? Explain. 3) Test whether the Bl coefficient is statistically significant (nonzero) at a 0.05 significance level. 4) Draw a line chart which compares the predicted and observed sales for Tropicana Premium 64 oz. 5) Predict the expected value of Sales when Price is $0.04/ounce