Onyx Inc,A Manufacturer of Home Appliances,received Consumer Complaints About Its Product

Onyx Inc.,a manufacturer of home appliances,received consumer complaints about its product demonstration and installation services.Marshall,the company's chief executive officer,ordered investigation to determine the reasons for these complaints.It was found that employees who were hired to demonstrate and install the products lacked experience.Marshall immediately formed a team who were trained by technicians to improve their skills.Subsequently,all the consumers who had previously filed complaints were given effective demonstration.Eventually,the customer service desk started receiving appreciations and the sales improved.In this scenario,the work team improved _____.

A)  ​manufacturing skills 
B)  ​customer satisfaction 
C)  ​design skills 
D)  ​product diversification