Answer:
sunk cost
Explanation:
Sunk cost is cost that has already been incurred and it cannot be recovered. When making future decisions, sunk cost should not be considered.
The money i paid for the ticket is the sunk cost. I should not consider this cost when making the decision of whether to for the concert or not to 
 
        
             
        
        
        
Answer:
D) Pix must have knowledge of all material facts relating
Explanation:
If the contract is beneficial for Pix, then they will want to ratify it. Unless Sky is aware that Able was not authorized to sign contracts on behalf of Pix, they probably wouldn't even tell them about what really happened. Although, Pix will want to know all material facts relating to the contract at the time it is ratified in order to verify if it is really good for them. 
 
        
             
        
        
        
Answer:
Trade Bloc
Explanation:
Trade Bloc is a type of agreement between two sovereign nations in which barriers to trade are either reduced or totally eliminated between the two nations. This type of agreement can either be one agreement between several nations or a part of a regional organization.
So, the example of Iceland and Norway is an example of a trade bloc.
 
        
             
        
        
        
I think the missing word is Plan but I'm not sure.