The application administrator should tighten measures on the external application used in the database backend especially when it comes to creating user IDs in order to prevent unauthorized users - any off-campus or even non-affiliated users to indiscriminately post links, especially malware and malicious ones. This can be done by selecting a viable verification method in order to only allow on-campus students to sign-up to the service.
<u>Given:</u>
Elasticity of Demand = 2
Decrease in price = 1%
<u>To find:</u>
Change in quantity demanded
<u>Solution:</u>
The percentage change in quantity demanded is the mathematical product of the percentage change in price and elasticity of demand. This can be mathematically represented as,

Since, there is a decrease in price, the demand for the product will increase. Therefore, we can conclude that there will be 2% increase in quantity demanded
Budgeting, and Putting money in the bank.