问答题

· You work at the Purchasing Department of a refrigerator company. The company decides to innovate the engine for its products. You are asked to make an investigation on the quality of four different brands of engines.
· Read the following chart showing the electricity consumption per hour of four different brands of engines.
· Use the information in the chart to write a short report comparing the four brands of engines and recommending which one to phrase.
· Write 120—140 words on a separate sheet.