The following dataset shows retail sales in certain drug store chains (in billions of dollars) as a function of the years since 1995 (year 0 = 1995, year 3 = 1998, etc.) Use the sales data displayed in the table below: Year Retail Sales O 26.926 148.442 m w 165.727 176.199 N 192.586 234.539 a) Find the regression equation for this dataset. Enter the coefficients (slope and intercept) into the equation below. = lac + Express your answers to 3 decimal places b) Find the coefficient of determination. R2 = Express your answer to 3 decimal places c) What does the regression equation predict for the retail sales after 1 years? predicted value = Express your answer to 2 decimal places