$1$ a$.$ Determine an A$-$B$-$C Classification for these items:

Item Unit Cost Annual Volume $(00)$ Annual dollar volume

$1$ $$100\mathrm{.}002500$ $$250,000\mathrm{.}00$

$2$ $$80\mathrm{.}003000$ $$240,000\mathrm{.}00$

$3$ $$15\mathrm{.}006000$ $$90,000\mathrm{.}00$

$4$ $$50\mathrm{.}001000$ $$50,000\mathrm{.}00$

$5$ $$11\mathrm{.}007000$ $$77,000\mathrm{.}00$

$6$ $$60\mathrm{.}008500$ $$510,000\mathrm{.}00$

$7$ $$10\mathrm{.}006000$ $$60,000\mathrm{.}00$

$$1,277,000\mathrm{.}00$