can you answer the problem b, thank you.

A. PT ABC has a bond with par value of Rpl million with 8% coupon rate which will be paid every six months for 15 years. When it was issued, the bond was sold for Rp912,500. What is the yield to maturity of PT ABC's bond? Use interpolation! B. PT ABC recently paid out a dividend of $1.5 per share. The company plans to increase its dividend by 7% next year more. If the stock is selling for $30 per share, what return does this stock if this is correct