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Which of the following have the most efficient lungs: amphibians, mammals or birds? Explain your answer.
Actual Costs
The actual expenses incurred in the production of goods or services, as opposed to estimated or standard costs.
Time Variance
This refers to the difference between the expected time to complete a task and the actual time taken.
Actual Direct Labor Hours
The real number of labor hours spent by workers directly involved in the production of goods or services.
Standard Hours
The prescribed amount of time that work is expected to take under normal conditions, often used for planning and efficiency analysis.
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