Sherry, who is 52 years of age, opened a Roth IRA three years ago. She has contributed a total of $14.700 to the Roth IRA ($4.900 a year). The current value of the Roth IRA is $21100. In the current year. Sherry withdraws $18.800 of the account balance to purchase a car. Assuming Sherry's marginal tax rate is 24 percent, how much of the $18,800 withdrawal will she retain after taxes to fund her car purchase? $ % Amount of withdrawal Non-taxable amount Amount subject to tax Tax rate Penalty rate Tax Penalty Alter tax withdrawal retained %