Primary consumers Organisms that eat producers to obtain nutrients and energy Dallas County Community College BIO 1409 - Summer 2015 1 BioLab3 Ecology Concepts Lab report I. Producers Define the following terms.
Invoice - What is an invoice? Definition: a document sent to a buyer that specifies the amount and cost of products or services that have been provided by a seller. An invoice indicates what must be paid by the buyer according to the payment terms of the seller. Payment terms usually specify the period of time that a buyer has to send payment to the seller for the goods and/or services that they have purchased. Included in a typical invoice. Sales v. purchase invoice.
The invoice cost of a product is the price that the merchant pays for the product before marking it up to sell. The invoice cost is sometimes used in industries such as automobile sales to entice customers to buy. Car dealers sometimes offer vehicles at $500 over invoice as an incentive to purchase the vehicle.