At the beginning of 2017, investors had invested $25,000 of common equity in grant corp. and expect to earn a return of 11% per year. in addition, investors expect grant corp. to pay out 100% of income in dividends each year. forecasts of grant's net income are as follows: 2017: $3,500 2018: $3,200 2019: $2,900 2020 and beyond: $2,750 (no growth) use this information to compute grant corp.'s expected residual income for the year 2017?

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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.'

answer; (c) communism and socialism;