The daily fixed-cost slice is one of the things that distinguishes nouz from a typical bookkeeping tool. Spreading fixed costs across every day they apply gives you a more honest daily number — but it does mean understanding what the slice represents.
01 Why daily
If we only subtracted rent on the first of the month, the first day of the month would always look catastrophic and the rest would look great — which is misleading. Slicing it daily means today's EBIT reflects today's honest share of the overhead, and the daily number stays comparable day-to-day.
02 Where it shows up
In the P&L, the fixed-cost line shows the slice for the time period you're viewing:
- Day view — one day's slice. ~€92 for the example.
- Week view — seven slices summed. ~€644.
- Month view — the monthly cost (no slicing math). €2.800.
- Year view — yearly equivalent. ~€33,600.
03 Does it sum back?
Yes. The daily slices, summed across a month, equal (within a fraction of a cent for rounding) the actual monthly cost. The 30.4375 divisor is exactly right for that: 12 × 30.4375 = 365.25 days, which matches an average year including leap days. The accounting is consistent at every view granularity.
In month or year P&L views, nouz displays the actual periodic cost (not the sum-of-slices) to avoid showing rounding artifacts in totals.
04 Allocation vs cash
This is the most common source of confusion: "my daily EBIT shows €22 but my bank account doesn't reflect that". The slice is bookkeeping, not cash flow. Real cash sits in your bank and moves on its own schedule (cash sales settle same-day, card sales T+1, rent on the 1st, etc.). The daily EBIT is the daily verdict, not the daily deposit.
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