You opened a brokerage account and purchased 50 shares of TGI for $260 per share and deposit initial margin of 50%. The rext dry. TGT's price drops to $250 per share. What are your actual margin and rate of return for this investment? a) 47.06%;11.11% b) 25.32%;8.77% c) 48,00%;11.11% d) 47.06%;7.69% e) 48.00%;7.69%