During a fiscal review, the government of the island nation of Océania recorded the following annual macroeconomic data:

• Domestic firms spent £45 billion on purchasing new capital machinery.
• Households saved £35 billion of their disposable income.
• The government spent £60 billion on public services and infrastructure.
• Foreign consumers purchased £55 billion of Océania's agricultural exports.
• Océania's residents spent £40 billion on imported consumer goods.
• The government collected £50 billion in tax revenues.

What is the total value of injections ($J$) into Océania's circular flow of income?