Iit was about $50,000,000.
The first Harry Potter book was not issued until 1997. Given the lack of availability of time travel in 1950, it would be likely that the cost would be infinite.
Since you are his guest to go to the wedding then he should pay for your air travel or at least split the cost depending on his finances.
It depends on what you consider "cost-effective." In general, air charters are more expensive than other travel methods.
Average cost of a new car in 1950 was $1510.00
it cost $17.50 just for a skirt for a poodle in 1950.
cost of a bicycle in 1950?
For discovery and adventure, followed by commercial flights and air mail, and then military purposes as of World War I, and finally espionnage in the 1950's and drones as of the 1990's
American Forum of the Air - 1950 was released on: USA: 4 February 1950
the cost of bread in the 1950's was $0.17 per loaf
its easy i would go to the shops and just buy a book like hello
I had one put in about 2 months ago and it cost $1950 installed (tax included) from a reputable company.
a baseball glove in 1932 cost just about 37 CENT