Suppose Caterpillar, Inc., has 663million shares outstanding with a share price of$75.94, and $25.57 billion in debt. If inthree years, Caterpillar has 707 million shares outstanding trading for $ 82.03 per share, how much debt will Caterpillar have if it maintains a constant debt-equity ratio?

The amount of debt required in three years will be $____billion (round to two decimal places)