Based on the value of gold this is correct. However the US Dollar is no longer on the gold standard and hasn't been since the early 1930's. As a free floating currency the value of pre-WWI dollars is estimated roughly 25x face value today. But there are quite a number of factors when calculating inflation. Austrians generally limit themselves to the value of gold.
The differences come down in part to economics and and since there is a vast gulf between Austrians and more or less every other school it's a debate that cannot be resolved definitively.
As for the accommodations, the Lusitania was one of the fastest express ocean liners of her day, and among the most luxurious. But in 1913, and indeed until after World War II, private bathroom facilities on passenger ships were a rarity. Perhaps 20% of the First Class staterooms on the Lusitania had them. Everybody else had to go down the hall.
The same was true of all but the most high end hotels.
When traveling at sea if you were in the first or second class (there were no bath facilities for the steerage) and wished to take a bath you would make an appointment with the ship's bath steward. He would then ensure that a hot bath was drawn and a steward(ess) was on hand to assist you at the appointed time. Of course in 1913 not that many people bathed every day. Water closet facilities and bathrooms were located on each passenger deck usually inboard. Mens and ladies facilities were distinguished from one another by a red or green light over the door.
All cabins had running water but again, except in the higher end of First Class, it was usually only cold water. Hot water was delivered every morning and when the dressing gong was sounded and also on request by your cabin steward for washing up or shaving.
For some added detail and photographs of the Lusitania...
http://ad-orientem.blogspot.com/2013/05 ... tania.html
The photos can be expanded by clicking on them.
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