Omar is an employee of Tut, Inc. Tut has a traditional 401(k) plan with a 6-year graded vesting schedule. Omar worked for Tut for 3 years and 3 months and is now leaving the company. Over the years, Omar contributed $4,500 to his 401(k) plan and Tut contributed $3,100. The plan is now worth $9,800. How much of this is vested for Omar?

$5,803

$3,920

$6,620

$7,402

$9,800