CMR is a retail mail order firm currently using a central collection system that requires all checks to be sent to its Boston headquarters. An average of 5 days is required for mailed checks to be received, 4 days for CMR to process them, and 1 1/2 days for the checks to clear through the bank. A proposed lockbox system would reduce the mail and process time to 3 days and the check clearing time to 1 day. CMR has an average daily collection of $100,000. If CMR should adopt the lockbox system, its average cash balance would increase by