Which one of these statements is more grammatically correct?<br/><br/>1.) I feel it is important, and my duty to my peers, to make each class as deep of a learning experience as possible.<br/><br/>or<br/><br/>2.) I feel it is important and my duty to my peers to make each class as deep of a learning experience as possible.<br/><br/>or <br/><br/>3.) I feel it is important, and my duty to my peers to make each class as deep of a learning experience as possible.<br/><br/>The only differences are the commas. Any help would be greatly appreciated.