69211
The wear and tear on the 50 " kroner notes has become so harsh in recent years , possibly from people not regarding them as very valuable any more , so that their maintenance cost is becoming a problem for the Bank of Norway .
 Bank of Norway
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Bank of Norway