Resource return rate calculator

Resource return rates for crafting Expert's Tracking Toolkit: the share of materials each city returns, with and without Focus. It needs 2 × Cedar Planks and 6 × Cured Leather. Caerleon returns 24.8% of the materials, 47.9% with Focus; the other cities return 15.3% of the materials, 43.5% with Focus. Expert's Tracking Toolkit: Gathering / Tracking / Tracking Toolkit, Tier 5, item power 800.