Hi Samisu,
Please find below the values asked:
Price of sausage: 25 euro
Price of hamburger: 20 euro
Price of flour: 10 euro
Price of cooking pot: 15 euro
Price of bread: 5 euro
Package of last row: 55 euro
Package of last column: 55 euro
Game world: COM202 Loch Ness
Very nice puzzle, I really enjoyed! Thanks!