Loyalty levels are 4: Orange, Bronze, Silver, Gold.
Cashback levels:
Orange - 2,5 % (spend 0 - 999 Kč) → (0 - 39 €) → (0 - 200 zł)
Bronze - 5 % (spend 1 000 - 2 999 Kč) → (40 - 119 €) → (201 - 600 zł)
Silver - 7,5 % (spend 3 000 - 9 999 Kč) → (120 - 399 €) → (601 - 2 000 zł)
Gold - 10 % (spend 10 000 and more Kč) → (400 and more €) → (2 001 and more zł)