She owned castle trough WW2 (when it was used as a hospital) until her death in 1974, when she left the castle to the private charitable trust Leeds Castle Foundation who had a goal to preserve castle and offer public access to it to tourists.
Official statistics shows Nepal's per capita income was $ 1100 dollars in 2008. An average family has 4-5 persons usually with only one person earning. However, my opinion is the per capita thing has been inflated due to extremely high income of few people.
A housekeeper in Nepal gets paid 100 rupees per day. Sometimes nothing if they are plucked from a village and promised food and lodging. An average guest house cook/cleaner/worker gets paid 100 rupees per day.