Question: You have been hired as an economic analyst; your job is to use the Regression Model to estimate potential sales of your employer's product. Knowing that the "dependent variable" Q is the potential sales or quantity demanded, discuss the independent variables you will include in your analysis including their units of measurement.

Based on the number of independent variables chosen, specify a regression function appropriate for your analysis and state whether you would be using cross-sectional or time series data. Differentiate between the two.