Low prices of cabbages and onion

Price of onion is 0.20-0.25 PLN (0.045-0.056 euro)/kg. Prices of cabbages are following: 0.85 PLN (0.19 euro)/kg for Chinese cabbage, 0.14-0.20 PLN (0.031-0.045 euro)/kg for white cabbage, 0.40 PLN (0.089 euro)/kg for red cabbage.