Seven years ago, Halle (currently age 41) contributed $4,000 to a Roth IRA account. The current value

Question:

Seven years ago, Halle (currently age 41) contributed $4,000 to a Roth IRA account. The current value of the Roth IRA is $9,000. In the current, year Halle withdraws $8,000 of the account balance to use as a down payment on her first home. Assuming Halle is in a 25 percent marginal tax bracket, how much of the $8,000 withdrawal will she retain after taxes to fund her house down payment?