whAt vAluE woulD An invEstor plACE on A 20 - yEAr, $1000 FACE vAluE, 10 pErCEnt AnnuAl Coupon BonD, iF thE invEstor rEquirED A 9 pErCEnt rAtE oF rEturn
A．

A、$879.

B．

B、$920.

C．

C、$1091.