Different versions of a bill have successfully passed both in the House and the Senate. Which is the next step in the lawmaking process?

The committee makes revisions to make one single bill.
The subcommittee that introduced the bill sends it to the people for a vote.
The bill is sent to the president, who can decide to sign it into law or veto it.
The bill is sent to the Supreme Court to be reviewed for constitutionality.

The next step in the lawmaking process would be for the bill to be sent to the president, who can decide to sign it into law or veto it.