The demand equation for a popular brand of fruit drink is given by the equation Qx=10-5Px+0.00I +10Py where Qx=monthly consumption per family in gallons Px=price per gallon of the fruit drink=GHC2.00 I=median annual family income=GHC20,000 Py=price per gallon of a competing brand of fruit drink=GHC2.5 a.Interpret the parameter estimates b.At the stated values of the explanatory variables,calculate the monthly consumption(gallons)of the fruit drink c.suppose that median annual family income increased to GHC30,000.How does this change your answer to part b?

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