Assume that a job involves 2 activities (x and y. and 3 resources (A, B, & C). Resource A is busy for 5 minutes on activity x and is not used on activity y. Resource B is busy for 5 minutes on activity x and 5 minutes on activity y. Resource C is not used on activity x and is busy for 5 minutes on activity y. If 1 unit of each resource is available and multiple resources can work on a job at the same time and, 1 job is on the schedule the makespan will be