Christmas Express makes wreaths in batch sizes of 13 . The cutting and assembly process takes 3 minutes per wreath, and the decorating process time is 13 minutes per wreath. It takes 5 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. b. Cambute the value-added ratio, Round to one decimal place