A contractor must complete the footing and foundation of a commercial building within 8 weeks. The task will take two weeks for completion. The total length of the project is 10 months. What is the total “float” time of this task?

A contractor must complete the footing and foundation of a commercial building within 8 weeks. The task will take two weeks for completion. The total length of the project is 10 months. What is the total “float” time of this task?