Correct Option: B

The tertiary sector of the economy (also known as the service sector) is one of the three economic sectors. The service sector consists of activities where people offer their knowledge and time to improve productivity. Examples of tertiary industries may include the following: telecommunication, hospitality, industry/tourism, mass media, healthcare/hospitals, information technology, banking, insurance, investment management, accountancy, legal services, consulting, retail sales, real estate, education.