Correct

一笔勾销

/ yī bǐ gōuxiāo / 
Strokes

Definition

to write off at one stroke

Example

As a Verb

write off at one stroke; cancel once for all; delete/efface with one stroke; scratch off the account

1
Suǒyǒu
所有
qiànzhàng
欠账
yībǐgōuxiāo
一笔勾销
  
。

All debts have been written off.