Reasons For Using Trade Barriers.  As for protecting domestic producers, some countries use trade barriers is to protect immature domestic producers and industries that cannot effectively compete with foreign products. Trade barriers makes imported goods and products less attractive than locally produced goods.                                                                                                                     
 
        
             
        
        
        
Answer:
- Low supply
- Scarcity
- Low economic growth
Explanation:
When suppliers under invest in their business, they will end up having the capacity to only produce less than the market requires. Should this happen, supply will be reduced in the market which would lead to relative scarcity all else being equal. 
For economic growth to happen, there must be increasing production in an economy so if suppliers are under investing and production is low, there might be low or no economic growth. 
 
        
             
        
        
        
i think its computer assembly and repair.
 
        
             
        
        
        
Answer:
Different communication methods are used in different circumstances because sometimes a certain method will be more effective in terms of cost, time and impact, and sometimes it will be more appropriate.
Explanation: