Sofia is a divorced mother of two children. Which payment(5) over the course of 2019 is subject to the federal gift taxc, if not using the federal unified eredit for estates and gifts? $3.500.$11.000, and $3,000 checks written to her sister for medical bills $15,000 deposit to each nephew's $29 college funds $35,000 check to Bigs State University for her daughter's education $10,000 chock to her brother