If the annual rate of compound interesting 1st year be `r_(1)%`, in 2nd year be `r_(2)%` and in 3rd year be `r_(3)%` then the total amount of principal Rs. `p` in `3` years`=`
A. `Rs. P(1-(r_(10))/100)(1-(r_(2))/100)(1-(r_(3))/100)`
B. `Rs. P(1+(r_(1))/100)^(n)(1+(r_(2))/100)^(n)(1+(r_(3))/100)^(n)`
C. `Rs. P(1+(r_(1))/100)(1+(r_(2))/100)(1+(r_(3))/100)`
D. None of these
