Here's a great article on the subject using a $20.00 bottle of wine from California:
http://zinquisition.blogspot.com/2006/11/why-does-good-california-wine-cost-so.html
The answer is that is depends greatly on what your overhead costs are such as land and your variable costs such as grapes, most wineries seem to make around 5% margin per bottle.
Increase profit margin.
to collect all the rest of the wine stuck around the inside of the bottle. and cos it looks professional
You should Open the bottle and share it..... I'm just guessing...
A bottle of an opened white wine is OK for about a week. A bottle of an opened red wine can last about a month. How do you put a spoon in a wine bottle?
The bottle should indicate it on some part of it...
Minutes, probably. Red wine should not be left unopened. The wine continues to oxydize. It should be sealed if not finished.
A typical bottle of wine is about 10% alcohol. There are different types of wine with all different amounts of ethanol, but a typical bottle of wine is 10% alcohol.
Bottle of rose wine
No.
2 x 750ml of wine is egual to 1.5ml of wine.
Decanter or carafe
There are five standard servings of wine in a bottle (750 ml) of wine.