Suresh invested a sum of Rs. 15000 at 9 percent per annum Simple interest and Rs. 12000 at 8 percent per annum compound interest for a period of 2 years. What amount of interest did Suresh earn in 2 years?
Options
A) 4496.8	B) 4596.8	C) 4696.8	D) 4796.8	E) 4896.8
S.I = PTR/100   S.I =15000*9*2/100   S.I= 2700   4696.8.I =P(1+r/100)^n -P   4696.8.I= 12000(1+8/100)^2-12000   4696.8.I=1996.8   total amount in 2 years   as interest = S.I +4696.8.I   = 2700+1996.8= 
<gadget id="calculator">2700+1996.8</gadget>
<output>4_696.8</output>
4696.8   ANSWER:4696.8
<result>C</result>
Suresh invested a sum of Rs. 15000 at 9 percent per annum Simple interest and Rs. 12000 at 8 percent per annum compound interest for a period of 2 years. What amount of interest did Suresh earn in 2 years?