Q. The current sentence uses the incorrect idiom to credit x ... for y. The correct idiom is to credit x ... with y

1. to credit x ... for y is not the correct idiom
2. aving propelled is not the proper verb tense and should be replaced with propelling
3. to credit x ... as y is not the correct idiom
4. to credit x ... with y is the correct idiom; propelling instead of having propelled is also correct