Suppose Caterpillar, Inc., has

671

million shares outstanding with a share price of

$74.02,

and

$25.15

billion in debt. If in three years, Caterpillar has

698

million shares outstanding trading for

$85.11

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

$nothing

billion.(Round to two decimal places.)