The correct answer is the Tertiary sector.

• The tertiary sector doesn't produce any goods. 
• Tertiary sector:
  • The tertiary sector is known as the service sector.
  • It provides useful services for the primary and secondary sectors.
  • It is a well-organized sector and uses modern-day logistics techniques to perform its functions.
  • Banking, insurance trade, and communications, etc comes under this sector.

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• Primary sector:
  • It is known as the agricultural and allied sectors.
  • This sector supplies raw materials for goods and services.
  • It is an unorganized sector and uses traditional techniques.
  • This sector uses natural resources like forestry and fishing, mining, and oil and gas.
• Secondary sector: 
  • It is known as the manufacturing sector.
  • This sector converts one good into another by creating more utility from it.
  • It is an organized sector and uses better methods of production.
  • It includes large firms, multinational corporations, manufacturing units, and small-scale units.