An analyst is doing research about the change of bond value to the passage of time and gathered the following information about an option-free bond. The bond has 6 percent coupon and an annual discount rate of 5 percent, pays interest semiannually, matures in five years, and is valued at $1043.76. One year later, the annual discount rate for that bond is 4.5 percent. At this time, the change in value for this bond that is attributable only to change of interest rate is closest to:（）

A. -$18.50

B. $7.91

C. $18.50

银行结算账户是指存款人在经办银行开立的办理资金收付结算的人民币活期存款账户。 ( )