Which aspect of budgeting requires careful consideration in a zero-based approach?

In a zero-based budgeting approach, every expense must be justified for each new period, starting from a "zero base." This means that instead of adjusting previous budget amounts or assuming prior spending patterns, each budget item needs to be thoroughly examined and justified based on current needs and priorities. This method requires a detailed evaluation of all expenses, ensuring that they align with the organization’s strategic objectives and deliver value.

By focusing on justifying each expense and allocation, organizations can eliminate unnecessary expenditures and allocate resources more effectively for the upcoming period. This careful consideration helps to optimize the budget, avoiding potential inefficiencies that can arise from simply carrying forward past allocations. Therefore, justifying every expense is fundamental to zero-based budgeting, ensuring that each dollar spent directly contributes to the organization's current goals and objectives.