【判断题】Gross profit margin is the profit as a percentage of cost.Is this statement correct?
【判断题】Gross profit margin is the profit as a percentage of cost.
【单选题】A business operates on a gross profit margin of 33 1 / 3 %. Gross profit on a sale was $800, and expenses were $680. What is the net profit margin? A 3.75% B 5% C 11.25% D 22.67%
【单选题】A business operates on a gross profit margin of20%. Gross profit on a sale was $2,000, and expenses were $500. What is the net profit margin?
【判断题】试验压力指在压力试验时,容器顶部的压力。( )
【判断题】Gross profit margin is the profit as a percentage of cost.
【简答题】生活中哪些设备需要用到交流电动机来驱动?
【判断题】含结合水分为主的物质,为了加快干燥时间,可采取增加空气流速的办法。