As the treasury manager for a sporting goods manufacturer, you are responsible for the firm's cash management activities, including the cash collection system. Your firm receives an average of 7,000 remittances per month with an average face value of $20,000. The current collection system consists of customers remitting directly to company headquarters. The average mail delay is 4 days. The typical remittance remains at headquarters for 1 days. You are informed that the average deposit is available in 2 days. Assume that the opportunity investment rate is 5% and that it costs your firm $0.35 to process each check. The fixed costs associated with this internal check processing system is $1,500. A bank, that is interested in selling you a lockbox system, indicates that its lockbox system would reduce mail float to 2 days, processing float 0 days, and availability float to 1 day. If the bank charges a variable cost of $.70 per item and monthly fixed cost of $2,500, should you change to the lockbox system