problem

HELP ME TO SOLVE THIS PROBLEM

Mr A has received the following amount for providing the services as follws

year                                                                 Cash Received

2002                                                                990000/-

2003                                                                1000000/-

2004                                                                1000000/-

2005                                                                955000/-

2006                                                                1015000/-

2007                                                                985000/-

pleae tell me the taxable service for each year tax @ 10.3%