So I like maths because maths always makes sense (until you study it at university). 1+1 is always 2. However the game doesn't seem to like maths. I have several "bad" calculations on silver and gold jobs when using a set with improved drop rating (Hancock or American). Example: Beaver Hunt normal job, I get 311% on beaver traps in work clothes without any drop bonus. I then change to American with 120% drop bonus. 120*311=373.2. I now expect to get 311+373.2=684.2. I get 684 in American set. So that makes sense. However let's do the same with Beaver Hunt silver ring. 414% in work clothes, 120*414=496.8. In American set I should get 414+496.8=910.8% drop. I get 787%. The difference is the same as in non-silver 373 which means that the extra bonus you get from silver/gold will not be added to the calculation for drop increases. Pretty clear bug to me. I did send a ticket to support and got the answer that I had used wrong set. Yeah right..... This is particularly annoying when you do jobs with low drop rate and you expect 2-3 an hour but only get 1 even though the percentage should be far above 200%.