can you make me clear about SAT exam. like when it is helding. fees etc

SAT is an international standardized test required for admission into most of the colleges in the United States. It is also accepted in colleges in Australia, the UK, Singapore and Canada. SAT is conducted 7 times in a year, mostly conducted in the months of March, May, June, August, October, November, December. Somewhere 5 times a year also. Registration fee is between USD 52.50 to USD 101.50 depending upon the country. SAT has four components- Reading test, Writing and Language test, Mathematics test without calculator, and Mathematics test with calculator. Essay component is optional.