c. Make a new variable \"Time squared\" and run a regression of Gross Revenues on Time and Time squared together. Copy and paste the Excel regression output here: d. Based on this regression, is the relationship between Gross Revenues and time is nonlinear? Explain why you say so. e. Based on this regression, what is the predicted effect of one more day on Gross Revenues if you start on the 10th day in theaters? What is the predicted if you start on the 1203' day