$3.$ Suppose that you are working for a small branch of a major bookstore chain in the country. The company has kept track of their monthly demand for their bestselling fantasy children's book over a ten$-$month period. You are tasked to generate a demand function that will help the company forecast its sales.JanuaryFebruaryMarchAprilMayJuneJuly$120$August$90$September$100$October$75110506075180175$Create a scatterplot. What is the correlation coefficient between time and sales?Use MS Excel to generate your forecasting model. Is your model reliable for predicting demand? Why or why not? Justify your answer.