Self-interest of course! Though you gave us no clue as to who is Adam... You can tell it's mostly self-interest due to the fact that he hasn't taken any class or anything on it. Looks to me that he genuinely just loves cooking!
        
                    
             
        
        
        
Answer:
June 10
Debit Purchases for $9,000: Gross method
June 30
Debit Discounts lost for $180: Net method
June 30
Credit Cash for $9,000 : Both methods
Explanation:
To Illustrate the required journal entries to record and pay for this purchase under the GROSS METHOD and NET METHODS by matching the action on the left with the method on the right using a PERIODIC INVENTORY SYSTEM.
June 10
Debit Purchases for $9,000: Gross method
June 30
Debit Discounts lost for $180: Net method
(2%*$9,000)
June 30
Credit Cash for $9,000 : Both methods
 
        
             
        
        
        
Answer:
c. supply curve to the right, meaning market price will fall. 
Explanation:
If firms in a competitive market start to make a large profit, more firms will enter that market because they will also want a share of it. As more firms enter the market, total quantity supplied will increase, shifting the supply curve to the right and lowering the equilibrium price. 
 
        
             
        
        
        
D.
The rest simply don't make sense, but D reflects the concepts of fixed and variable costs / expenses.