Why are depreciation and amortization considered when calculating net cash provided by continuing operations?

Group of answer choices:

Depreciation and amortization represent cash payments and therefore need to be considered.

Depreciation and amortization are not deducted when calculating net earnings and therefore need to be considered when calculating net cash provided by continuing operations.

Depreciation and amortization are cash items and therefore are added when calculating net cash provided by continuing operations.

Depreciation and amortization are non-cash items and therefore are added when calculating net cash provided by continuing operations.