Correct

盈亏

/ yíngkuī / 
Strokes

Definition

profit and loss/waxing and waning

Example

As a Verb

wax and wane

1
Yuèliang
月亮
měigè
每个
yuè
月
yíngkuī
盈亏
yī
一
cì
次
  
。

The moon waxes and wanes each month.

As a Verb

loss and gain; surplus or deficit

2
Gāi
该
gōngsī
公司
shàng
上
niándù
年度
bù
不
yíng
盈
bù
不
kuī
亏
  
。

Last year the company only just broke even.

3
Chūkǒu
出口
shāngpǐn
商品
yíngkuīlǜ
盈亏率

profit and loss ratio of export commodity