A company is experiencing decreasing sales from established customers. Using BSC, which one of the following lists of performance measures is the best suited to identify the problem causes? 1) Rework and wase, cycle time from order to deliver, speed of inventory. 2) Sales growth, gross margin, average selling price 3) On-time delivery, defective goods returned for credit, customer complaints. 4) Customer profitability analysis, customer lifetime value, customer acquisition cost