A man has Rs. 10,00p too invest. He invests Rs. 4000 at 5% and Rs. 3500 at 4%.in order to have a yearly income of Rs. 500,he must invest the remaining Rs. 2500 at what rate of interest?

A ) 6%

B ) 6.20%

C ) 6.30%

D ) 6.40% ✅