"What's in It for Me" is a song written by Gary Burr and John Jarrard, and recorded by American country music artist John Berry. It was released in June 1994 as the fourth single from the album "John Berry". The song reached number 5 on the U.S. "Billboard" Hot Country Singles & Tracks chart and peaked at number 2 on the Canadian "RPM" Country Tracks chart.
Can we infer the following?
John Jarrad had a writing credit on "What's in it for me"

pick from the following. (I) Yes; (II) It's impossible to say; (III) No;
The answer is: