This is simply to avoid the lowest paid jobs. You can only pick one job at a time. If you decide to check the other job's reward you have to discard your current job offer for that. That is why I listed the mission rewards in one simply list. Enjoy! you can write your job offer records in comments. "Bring enemy to reset" has highest value. I got only 1 offer in desert sector and it was rewarded 70 000 E.C.