What ever they are comfortable paying.
More information is required to answer this problem properly.
Answer:
His heart was broken also because of how alienated he felt from his family and did not want to burden them. Gregor feels terrible about the trouble and pain he's causes his family. ... They used him for money and he was no longer useful to them when he could not work and take care of the family.
Explanation:
Most likely federal, as monarchy isn't a strong central government, it's a one person government with optional advisors. A federal government implies a democratic style of leadership with a main government instead of separate small ones within a country.