Arthur Vandelay is married and has no children. In 2018, he worked as an intern at an architectural firm. His gross income from this job was just under $18,000. His spouse did not work. He had the following amounts withheld from his paychecks for the year:
$1,116 for social security taxes
$700 for his 401(k)
$261 for medicare taxes.
What is Arthur's adjusted gross income?
a) $16,923
b) $17,123
c) $17,423
d) $17,623