Sundar earns by conducting coaching classes. 10% of his income goes into varied costs involved in running his classes. Below is the table showing his 5-year income (in lakh)

Year	Sundar’s Yearly Income in (lakh) Rs.
2012	2.5
2013	3
2014	3
2015	2.5
2016	4

On an average, how much does Sundar spend in a year as varied cost in maintaining his classes?