Aurora and Oscar separated in 2017 and divorced in October 2019 She eamed $40,000 in wages and paid more than half the cost of keeping up her home in 2019 . Aurora and Oscar have a son, Milo who is 17 years old and unmarried Aurora signed Form 5332 (Release Revocation of Release of Claim to Exemotion for Child by Custodia Parent) towing Oscar to claim Mo in 2019 Mo is a full-time student working towards a degree in computer information systems Milo lived on campus during the school year and spent the summer at home with his mother Mit does not a have a felony drug conviction and is not a qualifying child for anyone except Aurora Aurora paid $5 000 of Milo's Tuition that was not covered by this scholarship Aurora provided more than half of her son's support and the cost of this room and board on campus . Mo's only income was $3,800 in wages and $400 of dividend income. He had no federal or state tax withholding Aurora and Miloare US citizens and have and Social Security numbers 10. Is Mlo required to file a federal tax return? OA Yes, because Milo's gross income was more than the gross income imit required to file a federal tax return OB Yes, because Milo had uneared income over the neared income imit of $1,100 required to me a federal income tax return OC No, because Mio had eamed income that was under the comings that reques him to the a tax return OD. No, because Milo didn't have any federal or state income tax withholding