A company produces a mix of high$-$technology products for use in hospitals. The annual sales data are as follows:

$\backslash$table$[[$Product Type,Number of Units,Unit Price $($Rs$),$Product Type,Number of Units,Unit Price $($Rs$)],[1,1,000,2\mathrm{.}50,10,600,1\mathrm{.}62],[2,250,0\mathrm{.}55,11,25,33\mathrm{.}00],[3,150,6\mathrm{.}50,12,4,15\mathrm{.}50],[4,300,1\mathrm{.}00,13,1,000,5\mathrm{.}00],[5,100,1\mathrm{.}50,14,2,850,2\mathrm{.}50],[6,700,1\mathrm{.}43,15,10,0\mathrm{.}83],[7,500,7\mathrm{.}00,16,355,0\mathrm{.}98],[8,15,4\mathrm{.}98,17,50,1\mathrm{.}37],[9,1,000,0\mathrm{.}75,18,393,1\mathrm{.}85]]$

For inventory control reasons, the company wants to classify these items into three groups $AB,$ and $C,$ on the basis of the annual sales value of each item. You are assigned the task of helping the company with high$-$technology