The company issued a new bond at par on June 16, 2005 with a par value of RMB 1,000 and a coupon interest rate of 10% for a five-year term. The interest will be paid at 6.15 per year, and the principal will be repaid in one or two times at maturity (4 decimal places are reserved in the calculation process, but 2 decimal places are reserved in the result).

 (1) Calculate the bond yield to maturity of 2005.6.16.

(2) Assuming that the market interest rate is 12% on June 16, 2005, when the bond issue price is lower than what is the company likely to cancel the issue plan?

(3) Assuming that your expected return on investment is 8%, the market price of this bond is 1031 yuan on June 16, 2009, do you want to buy it?