A project has the activity duration and cost information indicated in the table where all times are in weeks. You are expected to crash the project by $10$ weeks $.$ A$)$ What is the duration of the project before crashing $?(1$ mark $)$ B$)$ What is the critical path? $(1$ mark $)$ Which activities do you crash $?(1$ mark $)$ D$)$ What is the cost per week to crash those activities $?(2$ marks $)$ D$)$ What is the lowest total cost for completing this project in $34$ weeks $?(2$ marks $)$ Normal Crash time Crash Activity time Normal Cost CostPredecessor $5$ $$1,00050$m overline n $1\mathrm{.}5002,000$ A $51,8002\mathrm{.}300$ B $1291\mathrm{.}0001,800$ B $14119501,45071,5001\mathrm{.}9001723002,800$ D $61,2001,600$ E$.$F$.$G