Answer:
Quaternary sector
Step-by-step explanation:
The quinary industry sector can be thought of as a branch or addition from Quaternary sector.
The quinary sector is the branch of a country's economy where high-level decisions are made by top-level executives in the government, industry, business, education, media and nonprofit organizations. The quinary sector is the top economic sector.
The quaternary sector is based on pure knowledge and skill of a person. It consists of intellectual industries providing information services, such as computing and ICT (information and communication technologies), consultancy (offering advice to businesses) and R&D (research, particularly in scientific fields).