(1)__________________________, he went to work as a teacher in one of the states of India.One day,he received an invitation to dinner at the ruler's palace.Very pleased,he went to tell his colleagues.They laughed,and told him the meaning of the invitation. (2)_______________________. The number of coins varied according to the person's position in the service of the government.My friend's income was not high,so he did not have much to pay.Each person bowed before the ruler,his gold went onto one heap,his silver went onto another heap.And in this way he paid his income tax for the year.This was a simple way of collecting income tax.The tax on property was also collected simply.(3)_______________________.Of course, the tax collector managed to collect more money than he paid to the ruler. The difference between the sum of money he collected and the sum of money he gave to the ruler was his profit.