Answer:
Kindly check explanation 
Explanation:
Following a decline in sales of a product, measures that could change the trend and ensure a positive change include :
Firstly, a market survey or analysis which may involve speaking with the company's main distributors in other to know why the sales of the product has fallen in recent times.
Based on the outcome of the survey or research, strategy implementation will begin to fix the highlighted shortfalls. 
While ensuing that shortfalls are fixed, the company should not retract on the originality and quality of the product as the may have a longlasting effect on the product. 
The company should then adopt a more aggressive marketing strategy with competitive price offering and promotions in other to compete with the now leading sellers. 
 
        
             
        
        
        
If they are involved in what they want to report about, or they have strong feelings about the topic, they must work to be unbiased and present both sides,
        
                    
             
        
        
        
'Exert' means to apply force on influence over something else, this can be in a negative or positive way. In this quotation, it means that language, if used correctly, has the ability to express a 'hidden power'. It's also worth mentioning that the simile is relevant as the moon has an influence on the level of tides on Earth.