Which statement is most correct about the Value Stream Map Select one: a. The focus for improvement should be Operation C because it has the longest Cycle Time (C/T) b. The focus for improvement should be Operation C because it has the longest change Over Time (C/O) and the longest Cycle Time (C/T) and lowest uptime c. The production control receives messages from customers and suppliers by road transport d. Non-Value-Added time is less than 95%