Lindsay$$ Electronics, a small manufacturer of electronic research$$ equipment, has approximately

$7,500$ items in its inventory and has hired Joan$$ Blasco$-$Paul to manage its inventory. Joan has determined that

$12\%$ of the items in inventory are A$$ items,

$30\%$ are B$$ items, and

$58\%$ are C items. She would like to set up a system in which all A items are counted monthly$($every

$18$ working$$ days$),$ all B items are counted quarterly$($every

$60$ working$$ days$),$ and all C items are counted semiannually$($every

$122$ working$$ days$).$ How many items need to be counted each$$ day