Invoice
GPT-6 Astra passed
- Tokens
- 74,426
- Cost
- $0.73
Write the monthly invoice email that Lumenrack Billing sends to a Lumenrack Compute customer when an invoice is issued.
Lumenrack Compute is the Lumenrack GPU compute product. Usage is billed monthly in arrears; the invoice is paid automatically from the payment method on file when it is issued.
Invoice facts:
- Invoice number: LMR-4F1A-20817-003
- Issue date: May 1, 2026
- Billing period: April 1 to April 30, 2026
- Plan: Developer
- Status: Paid on May 1, 2026, charged to the card on file
- Total: $68.31
Line items, in this order, each with a SKU, quantity, unit price, and amount:
| SKU | Description | Quantity | Unit price | Amount |
|---|---|---|---|---|
| GPU-L40S-HR | L40S GPU hours | 42.5 | $1.10 | $46.75 |
| GPU-A100-HR | A100 80GB GPU hours | 6.25 | $2.40 | $15.00 |
| CPU-VCPU-HR | vCPU hours | 310 | $0.04 | $12.40 |
| MEM-GB-HR | Memory GB-hours | 1,240 | $0.005 | $6.20 |
| BUILD-MIN | Build minutes | 96 | $0.01 | $0.96 |
| STOR-GB-MO | Persistent storage GB-months | 120 | $0.10 | $12.00 |
Totals: subtotal $93.31, starter credits applied −$25.00, tax (0%) $0.00, total $68.31.
The email leads with the total amount, then the invoice details, then the line items and totals. One call to action downloads the invoice PDF: https://lumenrack-email.s3.amazonaws.com/console/billing/invoices/lmr-4f1a-20817-003
Questions about the invoice go by reply or to Billing in the console at https://lumenrack-email.s3.amazonaws.com/console/billing
Use /world/lumenrack-email for brand chrome and CSS; the billing family fits this email. Use the absolute HTTPS URLs from tokens.json; do not use /world/ paths as image src.
Dark mode should be supported.
Leave the HTML in output/email.html, a plain-text version in output/email.txt, and the subject in output/meta.json as {"subject": "..."}. Don't include From, To, or Date headers.