The Appliance Centre sells a variety of electronic equipment and home appliances. For the last four years, the following quarterly sales (in $ millions) were reported: Determine a typical seasonal index for each of the four quarters. (Round the final answers in millions of dollars to 4 decimal places.) Hi, please I need help, I solved and got these answers but when I entered them they where wrong. Quarter Year I II III IV 2011 $4.7 $4.4 $6.4 $5.0 2012 4.5 6.4 6.1 5.2 2013 5.3 6.3 6.0 4.4 2014 5.0 5.1 6.1 4.6.