Marginal Costs. The marginal cost of production is the change in the total cost associated with making just one product or item, and is determined by dividing the change in cost by the change in quantity. Generally, marginal costs start high and decline as production increases.
Muchacho is a Spanish word for boy or young man. An example of muchacho is a teenage boy living in Mexico City.
Definition of 'poncho'. poncho. A poncho is a piece of clothing that consists of a long piece of material, usually wool, with a hole cut in the middle through which you put your head. Some ponchos have a hood. COBUILD Advanced English Dictionary.