The visiting head of the technical function only needed to look at the most recently plotted point on the chart (relative to preceding ones) for a Key Performance Indicator like. Cost per Hectolitres brewed(One Hectolitre = 100 Litres), to know if the brewery had stayed within the approved upper limit of spend(plotted as a straight line target across the same period) or not. Discussions would then take place based on identified "Exceptions"(which could be "good" e.g. savings made or "bad" e.g. monetary loss due to materials over_used), and "Actions To Be Taken" to correct or maintain observed performances agreed upon.
How A Well Known Corporate Multinational Used Spreadsheet Tracking/Automation To Repeatedly Cut Spending _ And Increase Profits. During my graduate training(while in paid employment), I was redeployed from Guinness Nigeria Plc's corporate headquarters training office(in Lagos) to the Benin brewery training department (in Edo state), where I was assigned the _ additional _ job of using a custom Lotus macros driven Variable Cost Analysis spreadsheet application to generate brewery reports for dispatch to headquarters.
In addition, visualise it having dynamic query/report drop menu interfaces, and a variety of custom buttons: for navigation(within and between worksheets), printing, data export (as PDF documents or spreadsheet files), saving, auto_data filtering, auto_charts plotting, auto_backup of files, user login authentication (for documents with sensitive or confidential content) etc.
A person with proven competence in this area CAN become "notorious" for developing spreadsheet applications, which eliminate drudgery from the process of using MS Excel to handle large amounts of data. Typically, work that takes hours or days will suddenly take minutes or seconds to finish.