Which of the following is FALSE on different approaches of budgeting? Review Later Activity based budgeting may lead to budgeting slack and a manager may overshoot the size of the budget. In value proposition budgeting a value proposition has to be made for each line item on the income statement to justify why it should be included in the budget.Incremental budgeting takes previous years' budget and add or subtract a certain percentage from it to make the new year's budget. Zero$-$based budgeting is time consuming and best suited for discretionary costs $($non$-$essential operating costs$)$