9/6 good 10/7 better
4Q has bank of 0.25 and $1 10/7 double bonus tied to a progressive. Even if you play 10/7 double bonus with 9/6 JOB strategy, you return is better then playing 9/6 JOB. Plus with a few minor changes you can get it up to 99.8% return.
Even with no change to your playing strategy, 10/7 double bonus is the way to go.