Answer:
$12,500
Explanation:
Differential revenue = Alternative A revenue - Alternative B revenue
Differential revenue = $75,000 - $62,500
Differential revenue = $12,500
Thus, the differential revenue for this decision is $12,500
 
        
             
        
        
        
Answer:
The answer is: He needs the price of coffee to go down to convince him to buy more. 
Explanation:
A demand curve (almost) always has a negative slope. As a product gets more expensive, the amount of people willing to buy that product decreases. So if the product gets cheaper, the more people are willing to purchase it. 
The opposite happens with the supply curve, as the price of a product increases, the more companies are willing to sell that product.   
 
        
             
        
        
        
Answer:
Increase by 5%.
Explanation:
Given that,
cross-price elasticity of demand between goods X and Y = 4
Percentage increase in consumption of good X = 20 %
cross-price elasticity of demand = Percentage change in quantity demanded for good X ÷ Percentage change in price of good Y
4 = 20 ÷ Percentage change in price of good Y
Percentage change in price of good Y = 20 ÷ 4
                                                                 = 5%
Therefore, the price of good Y must be increase by 5% in order to increase the consumption of good X by 20 percent.