Float Simon Corporation has daily cash receipts of $55,000. A recent analysis of its collections indicated that customers' payments were in the mail an average of 3 days. Once received, the payments are processed in 3 days. After payments are deposited, it takes an average of 2 days for these receipts to clear the banking system. a. How much collection float (in days) does the firm currently have? b. If the firm's opportunity cost is 9%, would it be economically advisable for the firm to pay an annual fee of $16,300 for a lockbox system to reduce collection float by 3 days? c. What would the company's opportunity cost have to be to make the $16,300 fee worthwhile