# Economics Dashboard v1 — Coulomb Social Membership

**Period:** 2026-06  
**Lifecycle phase:** growth  
**Active pricing model:** Standard Membership (8.99 EUR/monthly)

> Platform costs accrue to the operator. Customer cost-pass-through billing is
> **not active** in MVP — members pay subscription only. All totals are computed
> programmatically from expense and payment record ledgers (36 expense
> records).

## Key Metrics (current period)

| Metric | Value |
|--------|------:|
| Active members | 1 |
| Member payments (gross) | 8.99 EUR |
| Infrastructure cost | 6.75 EUR |
| Payment processing cost | 0.38 EUR |
| Total platform cost | 7.13 EUR |
| Platform cost per member | 7.13 EUR |
| Period gross margin | 1.86 EUR |
| Period gross margin % | 20.7% |
| Period net liquidity | 1.86 EUR (generating) |

_Period net liquidity = net member payments − infrastructure cost (processing fees already netted from payments)._  
_Revenue source: manual_

## Liquidity & Budget (through 2026-06)

| Metric | Value |
|--------|------:|
| Initial budget | 1000.00 EUR |
| Cumulative member payments (net) | 68.88 EUR |
| Cumulative infrastructure cost | 121.50 EUR |
| Cumulative payment processing | 3.04 EUR |
| Cumulative total platform cost | 124.54 EUR |
| Cumulative net liquidity | -52.62 EUR (burning) |
| Remaining budget | 947.38 EUR (within budget) |
| Months tracked | 18 |

## Monthly History

| Period | Members | Gross revenue | Infrastructure | Processing | Total platform | Net liquidity |
|--------|--------:|--------------:|---------------:|-----------:|---------------:|--------------:|
| 2025-01 | 0 | 0.00 | 6.75 | 0.00 | 6.75 | -6.75 |
| 2025-02 | 0 | 0.00 | 6.75 | 0.00 | 6.75 | -6.75 |
| 2025-03 | 0 | 0.00 | 6.75 | 0.00 | 6.75 | -6.75 |
| 2025-04 | 0 | 0.00 | 6.75 | 0.00 | 6.75 | -6.75 |
| 2025-05 | 0 | 0.00 | 6.75 | 0.00 | 6.75 | -6.75 |
| 2025-06 | 0 | 0.00 | 6.75 | 0.00 | 6.75 | -6.75 |
| 2025-07 | 0 | 0.00 | 6.75 | 0.00 | 6.75 | -6.75 |
| 2025-08 | 0 | 0.00 | 6.75 | 0.00 | 6.75 | -6.75 |
| 2025-09 | 0 | 0.00 | 6.75 | 0.00 | 6.75 | -6.75 |
| 2025-10 | 0 | 0.00 | 6.75 | 0.00 | 6.75 | -6.75 |
| 2025-11 | 1 | 8.99 | 6.75 | 0.38 | 7.13 | 1.86 |
| 2025-12 | 1 | 8.99 | 6.75 | 0.38 | 7.13 | 1.86 |
| 2026-01 | 1 | 8.99 | 6.75 | 0.38 | 7.13 | 1.86 |
| 2026-02 | 1 | 8.99 | 6.75 | 0.38 | 7.13 | 1.86 |
| 2026-03 | 1 | 8.99 | 6.75 | 0.38 | 7.13 | 1.86 |
| 2026-04 | 1 | 8.99 | 6.75 | 0.38 | 7.13 | 1.86 |
| 2026-05 | 1 | 8.99 | 6.75 | 0.38 | 7.13 | 1.86 |
| 2026-06 | 1 | 8.99 | 6.75 | 0.38 | 7.13 | 1.86 |

## Pricing Model Registry

| ID | Name | Type | Status |
|----|------|------|--------|
| flat-899-eur-monthly | Standard Membership | flat_subscription | active |
| membership-plus-credits | Membership + AI Credits | hybrid_subscription_usage | candidate |
| membership-plus-overage | Membership + Overage | hybrid_subscription_usage | candidate |

## Registries Loaded

- Product model (`data/product.json`)
- Budget (`data/budget.json`)
- Expense records (`data/expense_records.json`) — source of truth for costs
- Infrastructure catalog (`data/infrastructure/`) — domain and VPS reference data
- Payment records (`data/payment_records.json`)
- Membership (`data/membership.json`)
- Requirements (`REQUIREMENTS.md`)