A geothermal heat network uses naturally occurring heat below the ground, engineers, drilling equipment and an entrepreneur. The table shows the annual income earned by its factors of production.
| Type of income | Annual income (£000) |
|---|---|
| Rent | 240 |
| Wages | 840 |
| Interest | 360 |
| Profit | 160 |
Calculate the percentage of the total income shown that is earned by the factor of production which includes the naturally occurring heat.
77 exam-style questions on OCR GCSE Economics 1.1 Main economic groups and factors of production, covering 1.1.1 Role of main economic groups and 1.1.2 Factors of production. Each one has a worked solution and a mark scheme showing where the marks go.