BCC has bonds that trade frequently, pay a 7.75 percent coupon rate, and mature in 2015. The bonds mature on March 1 in the maturity year. Suppose an investor bought this bond on March 1, 2010, and assume interest is paid annually on March 1. Calculate the yield to maturity assuming the investor bought the bond at the following price, as quoted in the financial press:

a)100

b)90

c)105