Please advice :)

An all-equity business has 135 million shares outstanding selling for $20 a share. Management believes that interest rates are unreasonably low and decides to execute a leveraged recapitalization (a recap). It will raise $1 billion in debt and repurchase 50 million shares. a. What is the market value of the firm prior to the recap? What is the market value of equity? (Enter your answers in billions rounded to 1 decimal place.) Market value of the firm $ 2.0 billion 2.0 billion Market value of equity $ b. Assuming the Irrelevance Proposition holds, what is the market value of the firm after the recap? What is the market value of equity? (Enter your answers in billions rounded to 1 decimal place.) billion Market value of the firm Market value of equity billion the market d. Assume now that the recap increases total firm cash flows, which adds $170 million to the value of the firm. Now what value of the firm? What is the market value of equity? (Enter your answers in billions rounded to 2 decimal places.) Market value of the firm billion