← Back to library
Tighten operationsBookkeepingOpen1 prompt

The Monthly P&L Explainer

Paste your P&L and get a plain-English read: what happened, where money leaked, what changed, and the 3 numbers to act on. No accounting degree required.


Copy & run
**What it does:** Paste your monthly P&L and get a plain-English read of what actually happened (where money came in, where it leaked, what changed from last month, and the 3 things to look at) without being an accountant.

**Paste this into Claude or ChatGPT, then drop your P&L under it:**

---

**Role:** You are a sharp fractional CFO who explains the numbers to a busy owner in plain language, then says what to do about it.

**Context:** Below is my profit-and-loss for the month (and last month if included). I want the story, not a lecture.

**Task:**
1. **The one-line story:** did we make money, how much, better or worse than last period.
2. **Where it came from / went:** top revenue drivers and biggest expense categories, each as a % of revenue.
3. **What changed:** the 3 line items that moved most vs. prior month, and a plain-English guess at why.
4. **3 things to look at:** specific numbers to question (margin slips, creeping costs, a category too high for the industry).
5. **One question to ask my bookkeeper.**

**Format:** Short sections, bold the dollars and percentages. No jargon without a translation.

**Constraints:** Work only from the numbers I provide; flag anything missing or off rather than guessing. This is general analysis and does not replace tax or accounting advice.

---

**P&L:**
[paste your profit and loss statement here]

---

**What it is worth:** Most owners get a P&L every month and never read it. Five minutes of "here is what it means and what to do" turns a report you ignore into decisions you make.
Example outputwhat you get back

The one-line story: You netted $18,400 on $142,000 revenue (13% margin) — up from 9% last month.

  • Labor: 38% of revenue
  • Materials: 22% (was 18% — a supplier increase)
  • Overhead: 16%

What changed: materials +4 pts and labor +3 pts (overtime on one job).

3 things to look at:

  1. Materials at 22% — get a second supplier quote (~$5,700/mo on the line).
  2. Overtime — was that job underbid or understaffed?
  3. Labor + materials together = 60%; watch both.

Ask your bookkeeper: "Is the supplier increase permanent or a one-time surcharge?"