In order to solve this problem, use the following equations and steps shown: \begin{align} &\cssId{Step1}{η = \frac{P_{mot}}{P_{cons}}}\\[3px] &\cssId{Step2}{η = \frac{3.58 kW}{14.81 kW}}\\[3px] &\cssId{Step3}{η = 0.2417}\\[3px] \end{align}