New car sales for a dealer in Cook County, Illinois, for the past year are shown in the following table, along with monthly indexes (seasonal relatives), which are supplied to the dealer by the regional distributor. Month Jan. Feb. Mar. Apr. May Jun Units Sold 646 656 641 741 746 843 Index 0.70 0.80 0.60 0.94 0.89 1.00 Month Jul. Aug. Sept. Oct. Nov. Dee. Sold 764 784 B14 B14 B24 784 Index 0.90 1.10 1.20 1.20 1.20 1.25 Click here for the Excel Data File b. Deseasonalize car sales, (Round your answers to the nearest whole number.) Deseasonalized Deseasonalized Month Jan Feb. Mar Month Jul Aug Sep Oct Nov. Dec Apr May Jun e. What action might management consider based on your findings in part b? Advertising and sales promotions because the deasonalized data displays a downward trend Increase inventory because the deasonalized data displays an upward trend