How would one go about selecting the appropriate$$ model? Choose the correct answer below.

A$.$

Collect two data values each for marketing effort and demand and fit the data to a model.

B$.$

Obtain estimates for future marketing effort and demand and use a model to see if the predictions are accurate.

C$.$

Select a model that appears to make intuitive sense and fit the model to the data.

D$.$

Collect a large amount of data for marketing effort and demand and fit the data to a model.