Requiring managers to prepare the budgets from scratch or zero-base may help them to overcome the problem of:

Excessive cost

Explanation:

Zero-based budgeting is the sort of budgeting where when income is subtracted from expenses it gives zero. This sort of budgeting puts a measure of the expenses, it ensures the expenses matches the income. The purpose of the budget plan is to justify expenses and optimize cost, thereby look out for cost effective ways to plan and avoid inflated budgets. It primarily guides against excessive costs on projects.

there was no passage listed but using the process of elimination i'd say it was d. the high economy would do the opposite. i don't see how low prices would affect it. high unemployment is possible but i feel d is the better answer.