11) Gibson Products produces cast bronze valves for use in platforms. Currently, Gibson produces 1600 valves per day. The 20 workers at Gibson wo p.m., with 30 minutes off for lunch and a 15 minute break du work session and another at the afternoon work session. Gil competitive industry, and needs to increase productivity to s They feel that a 20 percent increase is needed. Gibson's management believes that the 20 percent increase without a change in working conditions, so they change wor schedule calls on workers to work from 7:30 a.m. until 4:30 workers can take one hour off at any time of their choosing. number of paid hours is the same as before, but production because workers are given a bit more control over their work change, valve production increased to 1800 units per day. a. Calculate labor productivity for the initial situation b. Calculate labor productivity for the hypothetical 20 perc c. What is the productivity after the change in work rules? d. Write a short paragraph analyzing these results