The savings _ from using your "in house" expertise _ in terms of money and man_hours alone, will quickly justify the investment you make in "developing the needed skills" _ especially, when you compare what you spend with the cost of purchasing a commercial software application _ or even engaging the services of an Excel VB developer.
The 80ᚼ Pareto principle is based on Pareto's theory that 80% of the results one gets in a particular endeavour will be mainly due to 20% of areas to which one has applied efforts. In business this principle has been found to be true. Your data, properly converted into appropriate performance indicators, will show you where your largest margins come from. You can then channel more time and effort in that direction.
I believe the foregoing are compelling justifications for choosing Excel Visual Basic over Visual Basic.
To elaborate further: A one_page Variable Costs Analysis report sheet automatically generated by the custom spreadsheet application I earlier described, was a powerful tool used by top management to quickly assess performances of individual breweries. Among other benefits, the report made it quite easy to realistically compare sister breweries in different locations(even across countries) based on common denominators. Apart from summarising brewing/packaging materials in two groups _
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