Labels:text | screenshot | yellow | rectangle | font | line | printing | parallel OCR: $5,000 (average monthly charges) $12,000 $9.000 $6,000 $3,000 1995 2000 Rt Total service provider Figure.I. The adoption of VPN technology (and the dollars spent on it) is anticipated to increase markedly throughout 2000. These expenses are expected to yield a payback through reduced long distance charges and RAS support costs. One-cost caveat: Use caution when estimating savings; potential quality-of-service problems on Internet- based VPNs could affect your bottom line.