Its could be:
a red and white sign like a "STOP" sign to tell you a direction to follow
or a "WRONG WAY" sign if you're going the wrong way
a regulatory sign tells you directions that you have to follow
Answer:
1. It made a Unilateral mistake
2. It cannot be voided by the cruise line
Explanation:
This cruise line has made a Unilateral mistake in this scenario.
In terms of the law, this cruise line does not have the power to void the transaction on its own accord in the normal course of business. but it has the right to plea in a law court that it did this business transaction sale based on non availability of complete price quote and also that there was a unilateral mistake of facts. It will also have to make a case that the sale was caused by the buyer who tried to benefit from the mistake through misrepresentation and omissions.
The court would then decide on the case at it own discretion.