Something like $150K. By comparison, I think Brands makes $350K. The administration will show how much they're willing to invest in a winning program based on Heller's next contract.
Base is $142,500 which is 40K more than Dahm. There are also bonuses built in. Making NCAA regionals is an additional 7K. I would assume there is one for winning the B1G tournament. This is all from an article from 2015.
At the end of the day we need to do four things.
1. Give Heller a contract extension.
2. Bump Heller's salary and bonus potential
3. Bump the assistants pay
4. Put more money into stadium/facility improvements
I'd even go as far as to say we need to email Barta and let him know we want this. I know in the past fans had sent emails about the lack of production of Iowa football.