Answer: Option B
Explanation:
A trade restriction is an artificial restriction on the trade of goods and/or services between two or more countries. 
The right option is B because the statement contains one error; domestic producers gain at the expense of foreign producers rather than domestic consumers.
 
        
             
        
        
        
C. Rise stage
Because if it’s gaining popularity then it’s on the rise to being popular
        
                    
             
        
        
        
Entries are given.
DATE                 ACCOUNT TITLES                          DEBIT          CREDIT
Dec 31,2019       No entry                                                0                    
                                   No entry
                          (Considering that goodwill has an                               0
                          infinite existence, goodwill should 
                          not be amortised.)
Dec 31, 2019      Patent Amortization                           $10,000
                            [$75,000×(1/5)×(8/12)] patents
                           (To record patent amortizations for                    $10,000
                            8 months)
To know more about Entries:
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When prototyping new products, most people will want a presentation on what the prototype will look like, the functions, the benefits, how it differs from previous products or other companies' products and the pricing. A management presentation is important because it should help break down all the information needed before approval of the new product is approved.