Q6. A company is experiencing decreasing sales from established customers. Which one of the following lists of performance measures is the best suited to identify the probable causes? A) B) C) sales growth, gross margin, average selling price Rework and waste, cycle time from order to delivery, speed of invoicing Customer profitability analysis, customer lifetime value, customer acquisition cost On-time delivery, defective goods returned for credit, customer complaints D) Enter correct choice & provide justification for your choice in the space box below (2 marks)