If an international business unit will experience considerable business and exchange rate risk, which of the following is a reasonable conclusion: A. Because of the risk of global operations, multinational companies find budgeting to difficult to execute and therefore the costs often outweigh the benefits B. When conditions are shifting and volatile, budgeting is not useful for planning. C. Budgets may need to be abandoned because senior managers can only evaluate performance. OD. Risky situations may make budgeting difficult for evaluating performance but managers can use budgets to help them adapt their plans