Business Green: It may have been mooted ever since the computer was invented, but according to a new report from JP Morgan the paperless office is now technically and economically feasible. Released last week, the report states that the banking giant has helped 25,000 of its clients eliminate more than 24 million paper documents from operations in just 18 months by promoting digital processes. It added that the campaign, which urges firms to replace paper documents such as payslips, invoices …