9)please be very clear with your response!

Christmas Express makes wreaths in batch sizes of 21. The cutting and assembly process takes 6 minutes per wreath, and the decorating process time is 12 minutes per wreath. It takes 6 minutes to move the wreaths from the cutting and assembly process to the decorating process. a. Compute the value-added, non-value-added, and total lead times of the wreath process Value-added lead time minutes Non-value-added lead time: Move time Il Within-batch wait time Total lead time minutes b. Compute the value-added ratio. Round to one decimal place. %