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.
Acme Corp's software is accessed online (Software as a Service, or SaaS). Their customers have to come to the website and login to gain access to the software and see the list of their inventory products' information. Acme Corp charges a monthly subscription fee of $79.99 for access to the service. The customer is charged the first month's $79.99 fee as a part of the signup process. Once the customer has paid the $79.99, they immediately have access to the software for the next month.