Answer:
- B. Thank you for your letter regarding your CRB2 home entertainment center.
- D. You are invited to take advantage of our professional development workshops.
Explanation:
The ''you'' view refers to a style of writing where the sender intends to make sure that the focus is on the person receiving the correspondence. 
By using the ''you'' view, the receiver becomes the subject of the correspondence such that the text and its contents and are directed at the receiver. 
The correct options would be B and D because the options were directed strictly to the receiver and no one else. 
 
        
             
        
        
        
Option B, In a(n) , common market members eliminate internal trade barriers, adopt a common external policy toward nonmembers, and eliminate barriers to the movement of the factors of production.
A legal agreement that creates a collection of nations that adopt a single external policy  tariff is known as a common market. Countries that participate in a single market also permit free commerce as well as the free movement of capital and labor within the group's members. It establishes a common external tax on imports in the market. Members of this market thus do away with trade restrictions and embrace or adhere to a common policy.
learn more about common market here:
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Answer:
The correct option is;
Loss of national monetary and exchange rate policy
Explanation:
The disadvantages of the establishment of monetary unions includes;
1) The loss of independence in monetary policy
2) The associated problems that arise due to the the initial establishment of the union
3) Tedious nature of the task of attaining comprehensive capital mobility 
The advantages are;
1) Lack of uncertainty in exchange rate variation
2) Reduced cost of doing business
3) Improved fiscal stability as well as control of the inflation rate by supranational central bank.