5. There are challenges in accurately projecting funding costs. Unanticipated changes in interest rates and the composition of bank liabilities can significantly raise or lower interest expense. a. Breakdown and explain the method for calculating the weighted marginal cost of total funds. Your answer should include an explanation of the three stages of calculating weighted marginal cost of total funds. Your explanation should Include Banks manage their Interest, Unanticipated changes in interest rates, show calculation weighted marginal cost, estimation marginal cost and combine and estimate the cost fund. Explain briefly with citation(50 marks) 5. There are challenges in accurately projecting funding costs. Unanticipated changes in interest rates and the composition of bank liabilities can significantly raise or lower interest expense. a. Breakdown and explain the method for calculating the weighted marginal cost of total funds. Your answer should include an explanation of the three stages of calculating weighted marginal cost of total funds. Your explanation should Include Banks manage their Interest, Unanticipated changes in interest rates, show calculation weighted marginal cost, estimation marginal cost and combine and estimate the cost fund. Explain briefly with citation(50 marks)