If you're going to charge businesses in your company for services, you first have to establish the "unit cost"--or billing rate--of each service, according to Ron Bradley, executive director of Corporate Renaissance Group. To find the unit cost of a service such as developing applications for your company, click on the "Get the Tool" icon above and download the interactive worksheet.

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To see the details behind this calculator and fill in your own estimates, click on the "Get the Tool" icon above and download the interactive worksheet.