7. As the chief financial officer for ABC Company, you have to deal with unpredictable and large receipts and disbursements. Your company has adopted the use of the Miller-Orr model for management of checking balances. The variance of daily net cash flows is $14,392,000. The cost of making a purchase or sale of marketable securities is $170, and the rate you earn on marketable securities is 8%. Your company wishes to maintain a minimum balance in the checking account of $11,000. a. Calculate the return point given by the Miller-Orr model (6 points). b. Calculate the average balance in the checking account if the Miller-Orr model is used (6 points). C. State the action that would be taken if the checking balance is $9,027 at the end of the day. Give a precise description including the dollar amount of any transfer (8 points)