subscriptions.usage-tiered
Price metered usage against tiers, graduated or volume, with an optional flat fee per tier.
price_usage in RustTagged pricing
3 capabilities
finance.margin
Profit on a sale with both the margin and the markup, so the two are never confused.
margin in Rust
finance.markup-price
Selling price from a cost and a target margin or markup in basis points, with explicit rounding.
markup_price in Rust