Maggie bought 20 shares of google at the close price of $472.68. she bought 20 more shares a year later at the price of $491.32. two years later, she sold all of her shares at the price of $512.25. her broker charges $50 for each transaction. how much money will maggie receive after her last transaction? a. $20,490.00 b. $20,340.00 c. $19,590.00 d. $20,530.00