You can think and talk about money in the strictly factual way that gets the best results. Evidence is detailed factual information from primary.
Explanation:
If something is factual, it can be proven, like your mother's story about the bear that is factual because she took a picture of it standing next to the family car. Something factual is real. It is based in fact, meaning it can be proven, repeated or observed. Evidence makes something factual.
The most appropriate medium for a message about how to operate a scanner for a small local business is a users manual, because the other options have a format that is not equally suitable for that kind of message.