def compute_monthly_loan_payment(PV,I,j):
    """ Computes the monthly payment on a loan given neccessary inputs """
    
    # INPUTS:
    # PV -> Present value ($)
    # I -> Interest, as annual rate. If 9%, enter 0.09.
    # j -> Number of payments
    
    # [10/8/18] PV ordinary annuity only
    
    p = PV / ( ( 1 - (1+I)**(-j) )/I )
    
    return p