Please show your calculation

Consider a bond issued by MGM Inc. exactly two years ago. At that time the bond's time to maturity was 30 years. The bond pays semiannual coupons with the coupon rate of 6% per year. The face value of the bond is $1000. a. What is the bond's price today, if today's market interest rate for bonds of comparable maturity and default risk is 8% per year? b. You would like to speculate and believe that tomorrow the market interest rate for comparable bonds would decrease to 5%, would you buy or sell short this bond today? c. Suppose that exactly two years from today the price of the bond will be $900, what is the annual YTM at that time? Please explain without using excel