Develop an A$-$B$-$C classification for these items. $($Round the percentage answers to $1$ decimal place.$)$

Item Unit Cost Monthly Usage Monthly

$ value $\%$ of cumul monthly $ value Class

Z$45$ $$80700$ $

$\%$

$($Click to select$)$

F$9530800$

$\%$

$($Click to select$)$

K$3525600$

$\%$

$($Click to select$)$

P$0516500$

$\%$

$($Click to select$)$

F$1420300$

$\%$

$($Click to select$)$

D$4510550$

$\%$

$($Click to select$)$

K$3636150$

$\%$

$($Click to select$)$

D$5740120$

$\%$

$($Click to select$)$

K$3410200$

$\%$

$($Click to select$)$

D$5215110$

$\%$

$($Click to select$)$

M$202080$

$\%$

$($Click to select$)$

F$992060$

$\%$

$($Click to select$)$

N$083040$

$\%$

$($Click to select$)$

D$481290$

$\%$

$($Click to select$)$

M$101625$

$\%$

$($Click to select$)$

$