Bill Campbell invested $5,000 and borrowed $5,000 to purchase shares in Kellogg. At the time of his investment, Kellogg stock was selling for $53 a share. (a) If Bill paid a $53 commission, how many shares could he buy if he used his $5,000 and borrowed $5,000 on margin to buy Kellogg stock? (Round your answer to 2 decimal places.) (b) Ignoring buying commission, Assuming Bill did use margin, paid a $54 total commission to sell his Kellogg stock, and sold his stock for $59 a share, how much profit did he make on his Kellogg investment? (Round your answer to 2 decimal places.)