Efficiency = input / output If expenses are $60 and revenue is $80 (perhaps net of interest revenue/expense) the efficiency ratio is 0.75 or 75% (60/80) â meaning that $0.75 are spent for every dollar earned in revenue.
As mentioned above a true antique is more than 100 years old, but some stores value furniture older than 50 years as antique and fine antique dealers will label items antique if they are more than 150 years old. The best way to find out is get the exact age of the piece.
-Beginning of New Answer-Vintage is considered to be items that are at least 20 years old. At this point, anything from the 80s and 70s would be considered to be vintage. â¦ It is antique when it is at least 50 years old, so at this point (2012) anything from 1962 and later.