The total income of Mr. Sakib in the years 2003, 2004 and 2005 was Taka 36,400. His income increased by 20% each year. What was his income in 2005?

Answer: 
14400
The total income of Mr. Sakib in the years 2003, 2004 and 2005 was Taka 36,400. His income increased by 20% each year. What was his income in 2005?