The fact that personal expenditures of company owners (i. e., the purchase of personal use items including food, home improvements, family automobiles, etc.) should not be reflected as assets or expenses in the company’s financial statements is a reflection of

the entity concept

Explanation:

According to the entity concept, a company and its owners are treated as two separate parties or economic units. Therefore, transactions such as purchases and receipts of the business must be recorded separately from those of its owners. Therefore, separate accounting records will have to be maintained to record the transactions.

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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.'