Given the project within the table below, calculate the following: Activity Duration $($hours$)$ Immediate Predecessors A $4$ None $005$ None $10$ A D $7$ B$,$ C E $3$ D F $1$ E G E$,$ F F a$.$ What is the project's minimum completion time? $($Select$)$ b$.$ What is the critical path in the project? $[$Select$]$ c$.$ What is the slack in activity B$?($Select$)10$ D $7.$ B$,$C E $3$ D F $1$ E G $5$ E$,$ F a$.$ What is the project's minimum completion time? $[$Select$]$ b$.$ What is the critical path in the project? $[$Select$]$ c$.$ What is the slack in activity B$?[$Select$]$ d$.$ What is the Early Start and Early Finish for Activity D$?[$Select$]$ e$.$ What is the Late Start and Late Finish for activity B$?[$Select$]$ f$.$ What would happen to the overall project length if activity C now took an additional $2$ hours to complete, now taking a total of $12$ hours? $[$Select$]$