Which is correct: It would be appreciated if you will do it (or) It will be appreciated if you would do it?

Question

Which is correct: It would be appreciated if you will do it (or) It will be appreciated if you would do it?

Answer 1

if you would do it sounds more correct.

Answer 2

You could use both but the second one sounds the best.

Answer 3

It will be appreciated if you would do it.  

Answer 4

Second sounds better, and both are correct. Confusing syntax.

Answer 5

if you could do it, it would be much appreciated

kinda sounds better