The total market value of BHP's assets is $60,000,000. These assets are financed by $30,000,000 worth of issued bonds and $30,000,000 worth of issued ordinary shares. The bonds have an 8% annual coupon and are currently selling at their face value of $1000. The ordinary shares are currently selling at $30 and will pay a dividend at time 1 of $4.50 with dividends expected to grow at 1% forever. The tax rate is 30%. a) What is the WACC of BHP according to the above information? b) BHP decides to buy back $5,000,000 of its ordinary shares and issue $5,000,000 worth of new bonds. If the new bonds have an annual coupon rate of 5%, a maturity of 5 years, a face value of $1000 and similar bonds in the market yield 4%, how many bonds would BHP have to issue to raise the $5,000,000?