What is maximum amount allowed for wage garnishment for child support in Indiana?

According to Indiana Code 24-4.5-5-105:

The maximum part of the aggregate disposable earnings of an individual for any workweek which is subjected to garnishment to enforce the payment of one (1) or more judgments against him may not exceed:

(a) twenty-five percent (25%) of his disposable earnings for that week; or

(b) the amount by which his disposable earnings for that week exceed thirty (30) times the federal minimum hourly wage prescribed by 29 U.S.C. 206(a)(1) in effect at the time the earnings are payable;