What is the present worth of an equal quarterly payment series of $2,000 for six years, if the interest rate is 8% per year, compounded quarterly?

PV= $37,827.85

Explanation:

Giving the following information:

Cf= $2,000 quarterly

Number of periods= 4*6= 24

i= 0.08/4= 0.02

To calculate the present worth, first, we need to determine the future value using the following formula:

FV= {A*[(1+i)^n-1]}/i

A= annual deposit

FV= {2,000*[(1.02^24) - 1]} / 0.02

FV= $60,843.72

Now, the present value:

PV= FV/(1+i)^n

PV= 60,843.72/(1.02^24)

PV= $37,827.85

answer: tell me how

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.'