costs property
All the costs associated with the product.
These can be manufacturing costs, shipping expenses not borne by the end user, or any other costs. Total product cost such that profit = revenue - (sum(taxes) + sum(costs)) If product_cost is not set, then profit = revenue - tax - shipping - sum(CatalogItem.costs). If CatalogItem.cost is not specified for one of the items, CatalogItem.cost based profit cannot be calculated for this Transaction.
Optional.
Implementation
core.Map<core.String, core.double>? costs;