Using the estimated demand function for processed pork in Canada, Equation 2.2, show how the quantity demanded,

Question:

Using the estimated demand function for processed pork in Canada, Equation 2.2, show how the quantity demanded, Q, at a given price changes as per capita income, Y, increases slightly (that is, calculate the partial derivative of the quantity demanded with respect to income). How much does Q change if income rises by $100 a year?