Work the cost in the quote’s currency
An illustrative pack costs USD 180 for 12 usable credits. Each credit costs USD 15. If the panel uses 2 credits to activate a six-month term, that activation costs USD 30. Divide that by six for an internal equivalent of USD 5 per month. The actual event is still an activation deduction of 2 credits from a paid pack.
If the payment processor adds a required USD 4 fee to the pack, the total becomes USD 184. Use 184 ÷ 12 before multiplying by the deduction. Round the final cost to the smallest currency unit. Rounding the cost per credit first can produce small differences across a large pack.
| Item in the worked example | Calculation |
|---|---|
| Cost per usable credit | USD 180 ÷ 12 = USD 15 |
| Cost per activation | USD 15 × 2 = USD 30 |
| Internal cost per month | USD 30 ÷ 6 = USD 5 |
| Whole activations available | 12 ÷ 2 = 6 |
| Remainder after three activations | 12 − (3 × 2) = 6 credits |
Record the deduction as well as the sale
A customer payment and a successful panel activation are separate records. Keep the amount, plan term, customer reference, credit deduction, date and remaining balance. For privacy, use an internal order reference instead of a customer’s credentials in a shared ledger. Check the first deduction with a small approved activation before you promise terms on a batch of sales.
If a pack expires, a low sticker price can be more expensive per activation than a smaller pack you can use in time. Estimate the number of customers you can serve before expiry. Subtract any unavoidable fees and expected refunds from the sale amounts when you model the margin.
Ask the operator for the missing fields
Request the full pack total, usable credits, term-specific deduction, renewal deduction and expiry or forfeiture rules in writing. Ask who owns the support relationship if the account changes hands. Use the calculator only after you have the quote and the unit the operator actually uses.