Are there any answer options? I know the answer if you have options
        
                    
             
        
        
        
Fixed cost remained constant regardless of how many products are sold. Fixed cost is a cost behavior which always emerged regardless of the quantity product sold. Machine depreciation expense, insurance expense, and rent expense are several examples of this cost behavior. On the contrary, variable cost is an another type of cost behavior that changes relating to the quantity of the sold product.
        
             
        
        
        
Gross income. they are incomes before taxes or adjustments
        
             
        
        
        
Answer:
3) Corporations use acquisition as a substitute for innovation.
Explanation:
The fastest way in which a corporation can enter a new market or develop new products is through buying existing companies that already operate in the new target markets or have developed the new products that the corporation wishes to sell. 
Research and development is very costly and time consuming, and on many occasions the results aren't even good or are not as good as expected. By acquiring a smaller company that has already developed the product, then the corporation might even save money.