【单选题】Falls Company has budgeted sales of $120,000 based on 80,000 units. The margin of safety is $1,000. What is the break-even point in dollars?
【单选题】A company produces and sells a single product.Budgeted sales are $2.4million,budgeted fixed costs are $360,000 and the margin of safety is $400,000.What are budgeted variable costs?
【单选题】安装 Premiere Pro CC 需要多少位操作系统 ?
【单选题】After doing some shopping, they went to open the door of ______ car.
【简答题】已知大圆的半径为R,小圆的半径为r,圆环面积为S. (1)用代数式表示圆环的面积S; (2)当R=5,r=3时,求S(结果保留一位小数).
【判断题】电荷的有规则运动称为电流。电流强度是以单位时间内通过导体截面的电荷量来表示,习惯上简称为电流。( )
【简答题】电流所做的功,简称( ) ,用字母( ) 表示,单位是( ) ;电流在单位时间内所做的功,称为( ) ,用字母( ) 表示,单位是( ) 。