33. 假設一債券其面額$100,000,市價$120,000,修正存續期間(Modified Duration)為10,凸率 (Convexity)為200,若市場利率下跌0.5%,估計該債券的價格約會上漲:(A)$5,250(B)$5,700(C)$6,000(D)$6,300