thisnis practice problem i need a bit of help on thanks for help

Besed has a 401(k). He is getting ready to take new job at another company. The information about his 401(k) at the company he is leaving: He contributed $8,500 His employer contributed $4,250 His account has earned $3,000 while he worked there He is 80% vested. Which of the following is true? He can rollover $12,600 He can rollover $15,750 He can rollover $14,900 He can rollover $8,500