Assume that the current date is February 1, 2011. The linear regression model was applied to a monthly time series data based on the last 24 months' sales. (from January 2009 through December 2010). The following partial computer output summarizes the results. Coeffficient Estimate t Intercept 4.3 2.07 Slope 1.6 2.98 Determine the predicted sales for this month. a. 45.9 b. 42.7 c. 44.3 d. 109.1 e. 113.4