She is single with no dependents. She worked for the same camp last year and received a full refund of all the federal taxes they withheld because she had no tax liability. She expects this year to be the same and hates waiting for the following year to get her withholding refunded. How to fill out a W-4 for Kylie Lyn, a 19-year old working at a summer camp during summer break from college? How do we fill out her W-4?