Stephen bought 85 shares of United Rotators at $6.34 each, 110 shares of Dowc Beverage Co. at $13.13 apiece, and 133 shares of Esti Transport at $7.10 each. If Stephen’s broker collects a commission of $12.50 for every ten shares bought or sold, how much did Stephen spend in total, to the nearest dollar?a.$2,972b.$3,338c.$6,688d.$2,438