To help raise shoppers' satisfaction, a local grocery store is analyzing the breakdown of its customers' complaints. The table below displays the collected data over a six$-$month period.

$\backslash$table$[[$Category$,\backslash$table$[[$Number of$],[$Complaints$]]],[$Checker$,59],[$General$,58],[$Service Level,$55],[$Policy$/$Procedures$,40],[$Price Marking,$45],[$Product Quality,$87],[$Product Request,$105],[$Checkout Queue,$33],[$Stock Condition,$170],[$All Other,$71]]$

Develop Pareto diagram for the complaint categories and determine the percentage of total complaints represented by the two most common categories.