You are considering a bond with 6 years to maturity. The face value of the bond is $1,000. The coupon rate is 6% (annual payments). The price of the bond is $960. What is the bond's YTM?

a. between 4 percent and 5 percent

b. between 5 percent and 6 percent

c. between 6 percent and 7 percent

d. between 7 percent and 8 percent

e. between 8 percent and 9 percent