9 2 points (Statement 4-1) Consider the demand function for Sherwin-williams Company's paints: Y - 310.244 4 0.008A - 12.203P + 2.678M and R3 -0.78 (3.26) (0.03) (-2.66) (0.84) where Y refers to sales in 1,000 gallons, A refers to the promotional expenditures in $1,000, Prefers to selling price per gallon, and M refers to consumers' income t-statistics are in parentheses. (Statement 4-1) Which of the following is true about an estimated slope coefficient? O All the choices Coefficient on M of 2.678 indicates that an increase in consumers' income by $1 increases expected sales by 2,678 gallons, all other things remaining constant. Coefficient on A of 0.008 indicates that an increase in promotional expenditures by $1,000 increases expected sales by 0.008 (x1,000) -8 gallons, all other things remaining constant. Coefficient on P of-12.203 indicates that an increase in the selling price by $1.000 decreases expected sales by 12 203 gallons, all other things remaining constant