Build an example monthly budget
Try a local arithmetic example, then write down the assumptions behind it.
Stories in Explainers
Finance education reference desk
Build your understanding
A simple comparison-table method
Put the alternatives in columns and make the comparison easier to follow.
Write down the assumptions first
Give an example context before asking a reader to interpret the result.
Why dates and sources belong on comparisons
Date comparison sources and account for changes. A demonstration editing brief; supply your own evidence and details.