Q3. For each of the following characteristics of a system, mark whether they are Functional Requirements (FR), a Quality Attribute (Non-Functional) (QA) or a design constraint (DC) [3 marks- The system shall a. Run on Windows or Unix b. Log all user logins c. Allows users to buy and sell stocks d. Be implemented in Java version 8 e. Display stock quote changes within 1 secn f. Have a unit test coverage > 85% )