Petter deposits R100 monthly into a bank account earning interest at an interest rate of 18% per annum, compounded monthly. The time (in months that it will take the account to accumulate to R20 000 is given by n=0,015ln[200(1,015)] B. n=ln(1+0,015)ln[200(0,015)+1] C. n=ln[200(1,015)+1]ln(1,015) D. n=ln(1+0,015)ln[200(0,015)1]