lac Guilder is age 63 in 2018, and his wife Matlida is age 67. Theyfile jointly and have 51,000 of adjusted gross income. They have two children, one of whom is single but for whom the Guilders provide no support. The student and a dependent. What is the Guilders' standard deduction? other is age 25 but is still a full-time o $24 000 $25,300 O $26,600 $29,200