Explanation:

- Depreciation: This is the correct term for the consumption of fixed capital. It represents the reduction in the value of capital goods over time due to use, wear and tear, or obsolescence.

- Correct Answer: Depreciation

- Capital Formation: This refers to the accumulation of capital assets like buildings, machinery, and infrastructure. It's the process of investing in new capital.

- Investment: This is the expenditure on new capital goods, like equipment and structures, with the expectation of future benefits or returns.

- All of these: This option is incorrect because consumption of fixed capital specifically refers to depreciation only, not all of these concepts together.

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