You are working as a freelance networking consultant to small businesses in your neighborhood. You interview management and employees at businesses where you have previously installed networks. Here are some of the responses you're receiving when you discuss where you can be of assistance:

Users can share expensive peripherals instead of purchasing one for each individual who needs one.
Networks perform better, so users are more productive and efficient.
Users can communicate better using e-mail and instant messaging software.
Users can share data and retrieve the most up-to-date information.
Users can send each other personal messages and enjoy social networking while at work.
When the network is down, I can't do anything on the computer.
I keep getting viruses from our network.
In compiling your business rationale for justifying the cost of employing you, which of these would you list as positives? What counterarguments would you put forward for the negative ones?