The owners of a factory have installed several high-tech machines and automated some workflows. Before the updates, the original equilibrium salary for low-skill workers was $70,000 per year, and the original equilibrium quantity was 42,000 workers. For high-skill workers, the original equilibrium salary was $83,000 per year, and the original equilibrium quantity was 22,000 workers. Each additional/diminished $10,000 to their salaries causes the difference between the quantity supplied and the quantity demanded to gradually change by 4,000 workers. Calculate the new equilibrium salary for both labor markets, considering that the effect on them amounted to 25%. Enter your answers in the boxes below.

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ans.

heterothermic organisms include those organisms that can switch between homeothermic (having body temperature higher than environment) and poikilothermic (having variation in internal body temperature) strategies.

some migratory birds show heterothermy as they decrease their metabolic rate during cold nights to keep their body temperature low. drop in metabolic rate allows increase in production efficiency of birds that reduces the internal body temperature to make it equal to external cold temperature during cold nights.

thus, the correct answer is 'birds allow their temperature drop in order to increase their production efficiency.'