ABC is an all equity firm. Its market value of ceality is $10 mition. ABC decides to issue $2 million debt and keeps the same amount of debt in perpetuity. Assume a perfect capital market except for the presence of corporate tax. The tax rate is 300 . 4.1. What's the market value of equity after the debt issuance? [3 marks) 4.2 Explain the two facts that help you calculate the market value of equity. In other words, why do you choose this particular formula when answering 4.1 ? [3 marks]