Please help b/c i don’t get this.

Average salary for a medical assistant is $31,220 which is a 20% income tax bracket how much money would they pay in income tax?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000