Factors | Description | Select payment mode | Enter card credentials | Validate credentials | Process payment | Generate bill | Sum |
T1 | Distributed system | 0.5 | 0.5 | 2 | 1 | 1 | 5 |
T2 | Response or throughput performance objectives | 1 | 1 | 1 | 1 | 1 | 5 |
T3 | End-user efficiency | 1 | 1 | 0 | 0 | 1 | 3 |
T4 | Complex internal processing | 0.5 | 0.5 | 2 | 1 | 1 | 5 |
T5 | Reusable code | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 3 |
T6 | Easy to install | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 3 |
T7 | Easy to use | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 3 |
T8 | Portable | 1.5 | 1.5 | 0.5 | 0.5 | 1 | 5 |
T9 | Easy to change | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 3 |
T10 | Concurrent | 0 | 1.5 | 1.5 | 1 | 1 | 5 |
T11 | Includes security features | 1 | 1 | 1 | 1 | 1 | 5 |
T12 | Provides access for third parties | 0.5 | 0.5 | 2 | 1 | 1 | 5 |
T13 | Special user training facilities are required | 1 | 1 | 0 | 0 | 0 | 2 |