2 The Appliance Centre sells a variety of electronic equipment and home appliances. For the last four years the following quarterly demand (in $ millions) were reported. Determine the regression equation considering each quarter as an individual period. Estimate the demand (in 9 millions) based on this regression equation for Quarter 2 of year 2001 Year Qtr 1 Qtr 2 Qtr 3 Qtr 4 1997 40 60 80 35 1998 30 50 60 30 1999 35 60 80 40 2000 50 70 100 50