This is a reactive bookkeeping app made with tangleJS.
You can click and drag everything that is bold.
If people use a free plan.
If people use a $ plan.
If people use a $ plan.
If people use a $ plan.
If server costs are $.
If the payment system has lump cost $.
If payment system takes % variable cost.
If total taxes on product are %.
Then the balance sheet will be something like this:
Total income:
After VAT :
Solid costs:
Variable costs:
Total costs:
Total earnings per month for two people: