Hello
your answer to this response is 
Industrial waste. Industrial waste is the waste produced by industrial activity which includes any material that is rendered useless during a manufacturing process such as that of factories, industries, mills, and mining operations. It has existed since the start of the Industrial Revolution.
I hope this helsp you out 
have a great  morning
FaithRawlins14
 
        
             
        
        
        
B they were given additional dities
        
                    
             
        
        
        
Answer:
$400
Explanation:
This is a simple multiplication question.
200kWh × $2/kWh = $400/200kWh
We are worried about the top number, because that is how much it costs the family to use 200kWh of electricity each month. 
Final answer: $400 for 200kWh.