The following information of a callable bond which pays interest semi-annually is given: The coupon rate is 3.30% and the number of years to maturity is 14. The bond is callable at 110% of par value in 8 years. If the par value is $1,000 and the current price is $970, what is the yield to call?

no excel pls

a.4.80%

b.5.90%

c.3.74%

d.1.67%

e.2.06%