Sadik Inc.'s bonds currently sell for $1,180 and have a par value of $1,000. They pay a $105 annualcoupon and have a 15-year maturity, but they can be called in 8 years at $1,100. What is their yield to call (YTC)?

a. 6.63%

b. 6.98%

c. 7.35%

d. 7.74%

e. 8.27%