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Q1. Suzan has a part-time
“cottage-industry” producing seasonal plywood yard ornaments for resale at
local craft fairs and bazaars. She currently works a total of 4 hours per day
to produce 10 ornaments. a. What is her productivity? b. She thinks that by
redesigning the ornaments and switching from use of a wood glue to a hot-glue
gun she can increase her production to 20 ornaments per day. What is her new
productivity? c. What is her percentage increase (or decrease) in productivity?
Q2. Ahmet grows domatoes in his
100 by 100 meters garden. He then sells the crop at the local farmer’s market.
Two summers ago, he was able to produce and sell 1200 kgs of tomatoes. Last
summer, he tried a new fertilizer that promised a 20% increase in yield. He
harvested 1350 kgs. Did the fertilizer live up to its promise?
Q3. A company has asked YOU to
evaluate the firm’s productivity by comparing this year’s performance with last
year’s. The following data are available:
______________Last Year This
Year OUTPUT 10 500 units 12 100 units Labour Hours 12 000 13 200 Utilities 7
600 MU 8 250 MU Capital 83 000 MU 88 000 MU Has the company improved its
PRODUCTIVITY during the past year?
Q4. A firm cleans chemical tank
cars in the Bay Gazimagusa area. With standard equipment, the firm typically
cleaned 60 chemical tank cars per month. They utilized 10 gallons of solvent,
and two employees worked 20 days per month, 6 hours a day. The company decided
to switch to a larger cleaning machine. Last February, they cleaned 60 tank
cars in only 15 days. They utilized 12 gallons of solvent, and two employees
worked 6 hours a day. a. What was their productivity with the standard
equipment? b. What is their productivity with the larger machine? c. What is
the change in productivity?
Q5. Serra’s Ceramics spent 3
000 MU on a new kiln last year, in the belief that it would cut energy usage 25
% over the old kiln. This kiln is an oven that turns “greenware” into finished
pottery. Serra is concerned that the new kiln requires extra labour hours for
its operation. Serra wants to check the energy saving of the new oven, and also
to look over other measures of their productivity to see if the change really
was beneficial. Serra has the following data to work with: Last Year This Year
Production (finished units) 4000 4000 Greenware (pounds) 5000 5000 Labour (hrs)
350 375 Capital (MU) 15000 18000 Energy (kWh) 3000 2600 Were the modifications
BENEFICIAL?
Q6. Ahmet Uslu makes wooden
boxes in which to ship motorcycles. Ahmet and his three employees invest 40
hours per day making the 120 boxes. a. What is their productivity? b. Ahmet and
his employees have discussed redesigning the process to improve efficiency. If
they can increase the rate to 125 per day, what would be their new
productivity? c. What would be their increase in productivity?
Q7. Magusa Metal Works produces
cast bronze valves on an assembly line. On a recent day, 160 valves were
produced during an 8-hour shift. Calculate the productivity of the line.
Q8. Kleen Karpet cleaned 65
rugs in April, consuming the following resources: Labour: 520 hours at 13
MU/hour Solvent: 110 litres at 5 MU/litre Machine Rental: 20 days at 50 MU/day
a. What is the labour productivity? b. What is the multifactor productivity?
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