Cash outflows are costs of project and are represented by

The correct answer is A. negative numbers.

Cash outflows are costs of a project and are represented by negative numbers. This is because cash outflows represent money that is leaving

Option B is incorrect because positive numbers represent cash inflows. Option C is incorrect because a hurdle number is a minimum acceptable return on investment. Option D is incorrect because a relative number is a number that is expressed as a percentage or ratio of another number.