the answer is $13,432. just confused on how to get there.

Hadley, a single taxpayer, worked as a self employed consultant for the first three months of 2023 . During that time, she earned $27,920 of self-employment income. On April 1,2023, Hadley took a job as a full-time job with one of her former clients. From April through the end of the year, Hadley earned $151,160 in salary. What amount of FICA taxes (self-employment and employment related) does Hadley owe for the year? Remember the social security wage limit is $160,200