Suppose $60$ items are stored in the current warehouse $(A+B+C),$ first $8$ items are A item. $37\%$ of the items account for $84\%$ of the sales volume.

The total sales of all $60$ items is $$2,000$ per year. What is the new revenue in $\%$ can be $\{\begin{array}{ccc}\text{:}& \text{x}\text{x}\text{p}\text{e}\text{c}\text{t}\text{e}\text{d}\text{f}\text{r}\text{o}\text{m}\text{A}\text{i}\text{t}\text{e}\text{m}\text{o}\text{n}\text{l}\text{y}& \end{array}$

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