What should be proportion of debt financing (W_d) in WACC computations for a firm with $50 million par value in bonds (debt) but these 4 years bonds with coupon rate 3% has a yield to maturity at 7.476%. The firm also has $50 million book value of equity but its stock price is selling at $57.50 per share and there are one million shares of stock outstanding? Tax rate is 35%.