19) 19) The manufacturing approach in which part of the product is mass-produced and the remaining features are customized is known as A) mass production B) mass manufacturing C) batch-of-one production D) customized production E) mass customization 20) 20) Most services are consumed at the same time they are produced and cannot exist before or after that time. This means that most services are A) separable B) scalable C) standardized D) measurable E) perishable 21) When a business is built around the reputation of a single person, the business has limited A) provider interaction B) subjective variables C) quality of experience D) customer involvement E) scalability