Carbondale Casting produces cast bronze valves on a 12-person assembly line. On a recent day, 180 valves were produced during a 6-hour shift. a) Labor productivity of the line = valves/labor hour (round your response to two decimal places). Hokey Min's Kleen Karpet cleaned 65 rugs in October, consuming the following resources: Labor: 520 hours at $13 per ho Solvent: 100 gallons at $5 per ga Machine Rental: 20 days at $50 per day a) Labor productivity per dollar = rugs/dollar (round your response to four decimal places)