Jeff makes payments at the end of each year into an account for 10 years. The present value of Jeff’s payments is 5,000. Ryan makes a payment equal to Jeff’s payment at the beginning of each year for 11 years into the same account. The present value of Ryan’s payments is 5,900.
Calculate the amount of Jeff’s payment.

answer; i believe the correct answer is (4.0);

answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.

answer; rapid growth in buyer demand and high buyer switching cost;