All of the following are examples of preindustrial societies except
a. pastoral.
c. horticultural.
b. hunting and gathering.
d. postindustrial.

The answer is d. postindustrial.  This refers to an economic stage where emphasis is more services rather than manufacturing of goods.  Here human capital is valued depending on the education and skills of the worker or employee and economic growth depends on new ideas that are developed.

you would times this by how many days there are in a year 365*400=$146000

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .