Evidence of external costs in the production of a product is present if October 5, 2022 by 8i9x6 the price of the product is higher than it should be. the production cost increases because of an increase in the minimum wage. non-buyers and/or non-producers of the product experience a loss for which they are not compensated. buyers refuse to purchase the product. producers pay all of the costs of producing the good or service. See Answer non-buyers and/or non-producers of the product experience a loss for which they are not compensated.