I will give more priorite to that objet which is Very very important
Priorites
1) Critical (Very Very Important)
2) High (Very Important)
3) Mediam (Important)
4) Low (Means important but we can ignore for a while if we for got to do low prioritie work it will become Critical Issue
So my dear friends compleate all your work on time (try to compleate before time) irrespective priorite.