Simple interest = (18000 * 3 * 15)/100 = Rs. 8100
Amount = P + I = 18000 + 8100 = Rs. 26100
What amount does Kiran get if he invests Rs. 18000 at 15% p.a. simple interest for three years?

a. 29893
b. 27773
c. 29989
d. 26100
e. 29883