BMI Ltd. had arranged with the bank for a 6 month line of credit of $200,000 at prime plus 2%. Prime rate is 4%. The bank charges 0.5% commitment fee on any unused balance. BMI Ltd. ended up using only $160,000 for 4 months. Calculate the total cost of financing for the Line of Credit below: a. On the BMI Line of Credit: what is the total interest charged: $ b. On the BMI Line of Credit: what is the total commitment fee charged: $