A bond with 5 years until maturity is currently trading for 103 per 100 of par value. The bond offers a 4% coupon rate with interest paid semiannually. The bond is first callable in 4 years, and is callable after that date on coupon dates according to the following schedule:

End of Year	Call Price
4	104
5	102
6	101

1. What is the bonds current yield-to-second-call?
2. What is the bonds yield-to-worst?