Quality cost refers to all expenses incurred by the enterprise in order to ensure and improve product quality and all losses caused by the failure of product quality to meet prescribed requirements,. According to the above definitions, Which of the following are quality costs:. ['The cost of hiring an expert endorsement for a pharmaceutical company to establish a good quality image of the product;.', 'Expenses for a car manufacturer to carry out a test drive on the theme of quality witness tours for new products;.', 'Fines paid by a health care product company for allegedly exaggerating the effectiveness of the product;.', 'A food manufacturing company was fined by the quality supervision department for an overdose of the artificial pigment content in the product.']