believe it or not in the 1920's the price for a brand new car right off the assembly line would cost you around 800 bucks!
Rising Stock prices
Rising stock prices.
It is the Beagal
There where many inventions in the 1920s as it was a time of change but 2 big ones are the car and insulin. I also think that crayobs were invented in the 1920s.
Depressed crop prices, flourishing industries in urban areas, and strict Immigration controls from Asia and Europe brought about the demographic shifts of the 1920s.
Ford
the car and steam boats
. . . . . and profits were fueled by speculation in the 1920s? Wall Street
the stock market
reducing prices of consumer goods.
Industrialization indostrailisim Drought rising crop prices
You can find the new car prices at kelly blue book website. They have the latest prices for any car under any condition. They also forecast the prices on the next years.