Christmas Express makes wreaths in batch sizes of 13. The cutting and assembly process takes 2 minutes per wreath, and the decorating proces time is 14 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. b. Compute the value-added ratio. Round to one decimal place