Tip of the Day
Collectibles you find give 1 extra achievement point per item!

Translations:Double Rewards (Mechanics)/16/en

From Walkscape Walkthrough

The combined amount of expected outputs is ((1 + DA) × (1 + DR) ÷ (1 - NMC)). Where each attribute is expressed as a decimal (i.e. 15% as 0.15) and the output is a multiple of the inputs (so a result of 1.5 means you'd get 50% more outputs than inputs).