Which is NOT an acceptable approach to budgeting in the context of portfolio management?

A.
Budgets are devolved to strategic business units for both business as usual (BAU) and
change initiatives, with portfolio management applied within each strategic business unit

B.
Budgets are devolved to strategic business units for both BAU and change initiatives, with
portfolio management applied across the units to co-ordinate cross-organizational change
initiatives

C.
Budgets are devolved to strategic business units for BAU, but budgets for change
initiatives are controlled centrally, with portfolio management applied within each strategic
business unit

D.
Budgets are devolved to strategic business units for BAU but budgets for change
initiatives controlled centrally, with portfolio management applied across the units