Float Simon Corporation has daily cash receipts of $63,000. A recent analysis of its collections indicated that customers' payments were in the mail an average of 2.5 days. Once received, the payments are processed in 2 days. After payments are deposited, it takes an average of 3 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 12%, would it be economically advisable for the firm to pay an annual fee of $17,500 for a lockbox system to reduce collection float by 3.5 days? c. What would the company's opportunity cost have to be to make the $17,500 fee worthwhile? C. a. The amount of collection float (in days) the firm currently has is days. (Round to one decimal place.) b. The cost savings if the firm adopts the lockbox system is $. (Round to the nearest dollar.) Would it be economically advisable for the firm to pay an annual fee of $17,500 to reduce collection float by 3.5 days? The firm Vaccept the proposal because the savings is than the costs. (Select from the drop-down menus.) c. To make the $17,500 fee worthwhile, the company's opportunity cost would have to be%. (Round to two decimal places.)