Suppose that the outstanding balance at (2n)th repayment date equal to 60% of the loan principal (i.e. OLB2n = 0.6), which of the following statement must be true? Choose the best answer and provide mathematical justification to your answer. (A) X >Y (B) X = Y (C) X < Y (Hint: To facilitate the analysis, think about the relationship between the principal repaid, interest due and outstanding balance. Also, think about the nature of interest due)