Fivenide Motal Wock produoes canf bronae valves on a 15-person assembly line. On a recent dey, 200 valves wore gebduced diring a 6-hour shit. a) Labour productivity of the ine = valvestabour hour: (Round your retponse is two decimal places.) b) The manager at Riverside changed the layout and was able to increase production to 220 units per th-hour chith. The new labeur productivity = decimal places.) c) The peccendage of propuctily inciease = 4. (Round your retponse to one deoimat place)