Flexible exchange rate systems are calculated according to supply and demand. Every currency decides the type of exchange rate arrangement to uphold.
        
                    
             
        
        
        
It should be the price right?
 
        
                    
             
        
        
        
Answer: net exports
Explanation:
Balance of payment simply shows the estimation of the inflows and outflow of a nation's money for a certain year. It should be noted that current account of the balance of payment consists of three main components which are the trade in Goods, the trade in services, and the transfer payments. 
The trade in goods is segregated into imports and export. This therefore makes the net exports volatile and vital because it has higher share in a current account.
 
        
             
        
        
        
Answer: An unfavorable variance can be used to detect a drop in estimated income early, and then solutions to the challenge can be identified.
Explanation:
 An unfavorable variance is the difference between a company's projected expectation and the actual outcome of a financial activity of the company, where the actual outcome is less favorable than the projected expectation.
 The information from an unfavorable variance can help alert a company to a negative outcome early, and the company's leadership can then find ways of solving the cause of the negative outcome.