A payment of $100 is made at the start of each month for a period of 5 years. The annual effective interest is 10% p.a. Which of these annuity functions will give us the present value of the payments 1 month before the first payment? Select one: A. 1j6olj j represents the monthly effective rate of interest. B. 60 j j represents the monthly effective rate of interest. o C.11060.j i represents the monthly effective rate of interest. O D. 12060 j represents the monthly effective rate of interest