Regarding the customer interaction and process design, the four quadrants provide additional insight on how operation managers design services processes to find the best level of specialization and focus while maintaining the necessary customer interaction and customization, as the picture represents it: Degree of Customization Low High Mass Service Professional Service Degree of Labour Private Traditional banking orthodontics Commercial banking General High purpose law firms Full-service stockbroker Digitized Boutiques orthodontics Retailing Service Factory Law clinics Service Shop Limited-service Specialized stockbroker hospitals Warehouse and Fast-food Fine-dining Low catalogue stores restaurants restaurants Hospitals Airlines No-frills airlines Please, evaluate the following statements about this topic and choose the correct option: 1) Considering the upper sections as quadrants 1 and 2 of Mass Service and Professional Service, we can assume the labour content will be high; therefore, managers are expected to focus extensively on human resources II) The quadrants one and two will involve significant selection and training issues by the human resource area, often done with personalized services, requiring high labour involvement; III) The quadrants with low customization tend to standardize or restrict some offerings, even removing some services such as seat assignments as in the case of some airlines: IV) Customer feedback is higher in the quadrants with low customization, and strong control may be required to maintain quality standards; O a. Options II) and IV) are correct; O b. Options I), II and III) are correct; Oc Options II), III) and IV) are correct; Od Options I) and IV) are correct; O e Options I) and II) are correct