Humidity. The most common cause of condensation on double-glazed windows is humidity. The outside window is colder than the inside window causing fog or frost to build up in-between the two panes. The window and house is extremely airtight and cannot breath.
Small-to-mid-sized businesses can expect the cost of software and services combined to range anywhere from $150,000 to $750,000. Certainly a significant investment, but a properly implemented ERP system will pay for itself quickly.
The vendor charges a 10% annual support fee, or $10,000/year. You estimate that it will take 4 staff hours per laptop to install the software, or 4000 staff hours. The staff that will perform this work makes $50/hour plus benefits. Including benefits, the staff cost per hour is $70, times 4000 hours, that is $280,000.