Gabby is planning a divorce the terms of which will be settled in 2019. Under the expected terms of the divorce decree she will pay alimony of $24,000 per year. Gabby's expected marginal tax breacket for 2019 is 24%. She will have an after tax cost for the $24,000 payment of O A) $0 B) $5,760 OC) $18,240 OD) $24,000