While conducting schedule analysis for a complex infrastructure project using the Critical Path Method (CPM), the project manager reviews the network diagram and identifies the following activity characteristics:Activities A, B, and C each have a duration of 4 days and are sequential dependencies. Activities F and G, which run in parallel to the main sequence, each have a duration of 7 days. During the schedule analysis, the project manager calculates that activities A, C, F, and G all have a total float of 1 day each. However, activity B has been identified as lying on the critical path of the project network. Given this schedule analysis, what is the total float for activity B?