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【单选题】
有关系统论的描述下列哪一项是正确的A.
开放系统一般没有边界
B.
开放系统与环境的作用是通过输出和输入过程完成的
C.
系统的整体功能是各不同组成部分功能的总和
D.
人不是孤立存在的，是自然系统中的次系统
E.
反馈是系统对环境进行控制的过程
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皮皮学刷刷变学霸
举一反三
【单选题】On the break even point,
A.
The price is equal to firm’s average variable cost.
B.
The price is equal to firm’s average cost.
C.
The price is equal to firm’s average fixed cost.
D.
The price is equal to firm’s total variable cost.
【简答题】The break-even point is the sales level at which operating income is zero and revenues equals total expenses.
【单选题】If cost behaviour stays the same but sales volume increases 20%, what will happen to break-even point in revenue dollars and to margin of safety revenue dollars?
A.
Break-even sales remain the same with margin of safety increasing
B.
Break-even sales increaes but margin of safety remains the same
C.
Break-even decreases with margin of safety decreasing
D.
Break-even sales and margin of safety remain the same
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