Answer:
A. users should be able to review their records and correct any inaccuracies
.
Explanation:
Once a transaction is noted and recorded in the software, there shall be access to the user only who had recorded the same, as this will provide for security and accuracy both.
If any third party is allowed to have the access to alter the records in the books then that can ruin the principle of maintaining privacy. Also in that case the responsibilities shall not stand to be completed as this calls for sharing responsibilities, and people will blame each other.
Thus, the user shall be alone to make any changes in the data already recorded by him.
 
        
             
        
        
        
<h3><u>
Answer:</u></h3>
Gilberto plants a variety of trees, shrubs, and flowers in his yard. The landscaping beautifies the neighborhood. Due to this, a positive external will be generated.
<h3><u>
Explanation:</u></h3>
So basically Gilberto's planting is creating positive externality because negative externality is when the third party gets negatively affected by production or consumption. Production or Consumption of something, whether third party is directly or indirectly involved. 
An example to explain this is smoking cigarettes, a person when smokes not only causes harm to his body but also other people who might not be related to him by passive smoking and also by causing air pollution. But when it comes to planting it is not possible for it to not generate any externality. In fact, it generates positive externality by contributing to the environment.
 
        
        
        
the answer to this question is 4.70%
 
        
             
        
        
        
Answer:
Is irrelevant in decision making
Explanation:
Since the suck cost is the cost that no longer is recovered so it should not be a factor to consider when making a decision. For example, you have bought a cinema ticket for this evening, but it is heavily rainy so you may get sick if you go to the cinema. The fact that you have paid for this ticket should not consider whether to go or stay home since you can not get this amount of money no matter what happens.
 
        
             
        
        
        
Answer:
20%
Explanation:
if the advertising elasticity = 0.25 and you want to increase the quantity demanded by 5%, you will need to increase advertisement by = 5 / 0.25 = 20%
The advertising elasticity measures how much does a change in advertising changes the quantity demanded of a product or service.