Answer:
Block style is a special style or format that is adopted to write Business Letters.
Explanation:
We all know that for writing Business Letters a formal style is adopted in order to convey important information regarding business matters.
So by following Block Style in the Business Letters we mean to write the letter according to the rules below:
Text for the letter should be justified Left completely.
Single spacing should be used for text.
Double spacing should be used for paragraphs.
1 inch margin should be left on each side.
Built-in Letter Wizard for formatting can also be used while dealing with BLOCK STYLE FOR BUSINESS LETTERS.
I hope it will help you!
 
        
             
        
        
        
Google, would be the best because of all of the different site, hope this helps! 
: )
        
             
        
        
        
Answer: (C) A special service for current customers 
Explanation:
   The CRM is the customer relationship management that typically use by the banks for providing special type of services to the current customer. This is the way to attract various types of users or customers by providing some special type of offers.
 According to the question, bank provide the credit card offers to the customer on the airline tickets so, it is beneficial for both the customer and for the bank as well. 
 
        
             
        
        
        
If it stores any type of objects mixed, use Object as storage class. All classes inherit from Object and for primitives use their respective wrapper classes. Or just use one of the bazillion container classes that already exist.
        
             
        
        
        
maintenance is the answer