To inform you on what’s going to happen and what’s happening
        
             
        
        
        
If its not b i think it would be c
        
                    
             
        
        
        
Answer:
Given, the cost price of the TV is Rs 24600. Now, the cooler costs Rs 800 more than one-third of the TV. The cost price of the cooler is Rs 9000.
 
        
                    
             
        
        
        
Answer:
So your readers don't get confused and understand what your writing 
Explanation: