Which one is correct?<br/><br/>1. "Do you <b><i><u>want</u></i></b> any assistance <b><i><u>on</u></i></b> your project?" <br/><br/>2. "Do you <b><i><u>need</u></i></b> any assistance<b><i><u> in</u></i></b> your project?"<br/><br/>- "want" or "need" is used correctly in this sentence? or they are both correct in this sentence? <br/><br/>- how about the preposition? "on" or "in" is used correctly?