A company paid $518,000 to purchase equipment and $16,800 to have the equipment delivered to and installed in the company's production facilities. The equipment is expected to be used a total of 29,800 hours throughout its estimated useful life of six years. The estimated residual value of the equipment is $6,800. The company began using the equipment on May 1, 2018. The company has an October 31, 2018 year-end. It used the equipment for a total of 13,000 hours between May 1 and October 31, 2018. Using the units-of-production method, what amount of depreciation expense would the company report in the income statement prepared for the year-ended October 31, 2018?

a

explanation:

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.'

answeraggressive behavior tactics include all of the above;