The table shows the traceability matrix from test cases to requirements. “X” means that a given test case covers the corresponding requirement. Req1 Req2 Req3 Req4 Req5 Req6 Req7 TC1 X X X X TC2 X X X TC3 X X TC4 X You want to prioritize the test cases following the additional coverage prioritization technique. You execute all four test cases. Which test case should be executed as the LAST one?
| Req1 | Req2 | Req3 | Req4 | Req5 | Req6 | Req7 | |
|---|---|---|---|---|---|---|---|
| TC1 | X | X | X | X | |||
| TC2 | X | X | X | ||||
| TC3 | X | X | |||||
| TC4 | X |
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B: TC2