Engineering economics deals with

It is a branch of engineering that deals with the formulation, estimation and evaluation of economic outcomes when there are alternatives to accomplish a defined purpose.

Explanation:

Engineers are able to evaluate the cost and benefits of projects that involve engineering designs and analysis through systematic approach. This process quantifies the costs and benefits of the projects to see enough money is saved to allow capital investments.

d would be the most obvious choice to this question. leaders are supposed to herd their underlings like a shepherd to sheep. a leader should also listen to others when they are talking to one other to gain a better understanding of their mission and surroundings.

explanation:

the warning light flashes for a second or two when the engine starts. if it stays on, there's must be something wrong with the coolant. you should never dare to continue driving when the light is on. pull over as soon as possible and shut the engine off.

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