Craigmont Company's direct materials costs are $4,200,000, its direct labor costs total $8,080,000, and its factory overhead costs total $6,080,000. Its prime costs total: Multiple Choice $12,280,000. $10,280,000. $14,160,000.

$12,280,000.

Explanation:

All the direct costs involved in the manufacturing of a product except fixed cost is called prime cost e.g direct material, direct labor etc.

Direct Material = $4,200,000

Direct labor = $8,080,000

Total Prime cost = Direct material + Direct labor = $4,200,000 + $8,080,000 = $12,280,000

Overhead costs are not classified as the prime cost because these are indirect costs.

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.'

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