Der Mannschaft has callable bonds with 8 years remaining to maturity. The bonds have a call provision stating that they can be called in 4 years but with a call premium of $50. The annual bonds have an annual coupon rate of 6%. The bonds currently trade for $1,080. What is the Yield-to-Call? 6.00% 4.58% 3.81% 7.78% 4.91%