Correct

告成

/ gào chéng / 
Strokes

Example

As a Verb

(of an important task) be completed/accomplished

1
Zhèxiàng
这项
gōngchéng
工程
jìhuà
计划
niánmò
年末
gào
告
chéng
成
  
。

The project is expected to be completed at the end of the year.