Suppose you invest semiannually for 25 years in an annuity that pays 5% interest, compounded semiannually. At the end of the 25 years, you have $500,000. How much of this total is interest? Enter your answer rounded to the nearest hundred dollars.

$354,500

Explanation:

First find the amount invested ie the Present Value as follows :

n = 25 × 2 = 50

i = 5%

P/yr = 2

Pmt = $0

Fv = $500,000

Pv = ?

Using a Financial Calculator to enter the amounts as above, the Present Value is $145,471

Total Interest = Future Value - Present Value

                      = $500,000 - $145,471

                      = $354,529

Thus interest is $354,500 (nearest hundred dollars).

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.'

the specific actions take by the fed. what the fed was attempting to do by taking these actions. the result of the actions taken by the fed