Suppose you have the project consisting of the six tasks described in the following table.The critical path list for this project is given by
◦ F[8], E[12], D[13], C[18], B[21], A[23]
◦ A[2], B[3], C[5], F[8], D[1], E[4]
◦ A[12], B[11], C[10], F[8], D[5], E[4]
◦ A[23], B[21], C[18], D[13], E[12], F[8]
◦ none of these