Please help me ASAP. Thank you!

Question 3 (25 marks) WSTB Ltd. issued 1,000,000 bonds with face value of $100, coupon rate 6% p.a., maturity 10 years, and the bond is currently traded at $110 in the market. WSTB is a publicly listed company on the Australian Stock Exchange (ASX) since 1980, and it has limited investment opportunities. Thus, WSTB's dividend grows at a constant growth rate 3% p.a. Dividend announced by the board of directors was $2. The beta is estimated at 0.65 for WSTB. The risk free rate and market risk premium of ASX are estimated for 1% and 8 % p.a., respectively. The company has 10,000,000 shares outstanding. a. Compute the weights of debt (Wd) and equity (We) in WSTB's capital structure. (10 marks) b. Compute the weighted average cost of capital (WACC) of WSTB Ltd.? (7 marks) you estimate the interest rate increases by 1% p.a. next year, calculate the bond and stock prices of WSTB? (4 marks) d. If interest rate increases in (a), calculate new WACC. Cost of debt increases more or cost of equity increase more for WSTB if interest rate increases. Discuss your answer. (4 marks)