You own some shares of Microsoft worth $1,000. Beta of Microsoft is 2. Microsoft currently has no debt. Microsoft decides to issue debt and buy back some of its stock in open market. Specifically, Microsoft decides to buy back 20% of its stock using ALL the proceeds of a new issue of risk-free bonds.
Corporate tax rate is zero. You decide to not sell any part of your shares. What is the value of your shares after the buyback is completed.