This is not the correct answer. The learning curve percentage (using the cumulative average-time learning model) is the total time or cost actually required for the total production when production doubles divided by the total time or cost if no learning had taken place. It can also be determined by calculating the cumulative average cost per unit at each level and dividing the cumulative average cost per unit at the doubled levelby the cumulative average cost at the previous level. We have been unable to determine how to calculate this incorrect answer choice. If you have calculated it, please let us know how you did it so we can create a full explanation of why this answer choice is incorrect. Please send us an email at support@hockinternational.com. Include the full Question ID number and the actual incorrect answer choice -- not its letter, because that can change with every study session created. The Question ID number appears in the upper right corner of the ExamSuccess screen. Thank you in advance for helping us to make your HOCK study materials better. This is the cumulative labor cost of $120,000 for 10 units divided by the cumulative labor cost of $192,000 for 20 units; and also the cumulative labor cost of $192,000 for 20 units divided by the cumulative labor cost of $307,200 for 40 units. That is not the correct way to calculate a learning curve. The learning curve percentage (using the cumulative average-time learning model) is the total time or cost actually required for the total production when production doubles divided by the total time or cost if no learning had taken place. It can also be determined by calculating the cumulative average cost per unit at each level and dividing the cumulative average cost per unit at the doubled levelby the cumulative average cost at the previous level. This is not the correct answer. The learning curve percentage (using the cumulative average-time learning model) is the total time or cost actually required for the total production when production doubles divided by the total time or cost if no learning had taken place. It can also be determined by calculating the cumulative average cost per unit at each level and dividing the cumulative average cost per unit at the doubled levelby the cumulative average cost at the previous level. We have been unable to determine how to calculate this incorrect answer choice. If you have calculated it, please let us know how you did it so we can create a full explanation of why this answer choice is incorrect. Please send us an email at support@hockinternational.com. Include the full Question ID number and the actual incorrect answer choice -- not its letter, because that can change with every study session created. The Question ID number appears in the upper right corner of the ExamSuccess screen. Thank you in advance for helping us to make your HOCK study materials better. The learning curve percentage (using the cumulative average-time learning model) is the total time or cost actually required for the total production when production doubles divided by the total time or cost if no learning had taken place. It can also be determined by calculating the cumulative average cost per unit at each level and dividing the cumulative average cost per unit at the doubled levelby the cumulative average cost at the previous level. In looking at the information provided, we see that the materials costs do not have any efficiencies as production increases. For all levels of production the materials cost is $6,000 per unit. So our attention is focused on the labor. In order to produce 10 units, the company incurred $120,000 of labor. If that same productivity level were to continue (i.e., if no learning were taking place), in order to produce 20 units, they would incur $240,000 of labor costs (2 × $120,000). However, they incurred only $192,000 of labor costs, which is 80% of $240,000 ($192,000 ÷ $240,000). And at a cost of $192,000 for 20 units, if no learning took place as they manufactured the next 20 units, it would have cost a total of $384,000 to produce a total of 40 units, including the first 20. However, it cost only $307,200 for all 40 units, which is 80% of $384,000. So, every time production doubles, the company is experiencing a learning curve of 80%. Calculating it another way, the cumulative average labor cost per unit is $12,000 when a total of 10 units has been produced ($120,000 ÷ 10); and it is $9,600 per unit when 20 units have been produced ($192,000 ÷ 20). $9,600 ÷ $12,000 = .80, or an 80% learning curve.
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