The methods of budgeting on the Phase are Use Entered Budget, Member Time Budget, either total estimated budget or total spent and planned budget of members, Subphase Budget + Phase Work Categories.
Use Entered Budget: use the percentage of Fee or entered Budget amount as Phase Budget
Member Time Budgets:
Total Spent + Planned Time: use the Real-time total spent amount and planned amount
Total Member Time Budget: use the estimated member hours or amount
Subphase Budgets: Budget for this Phase will use the total of all Subphase and Work Category Budgets.