Use the Information Below to Answer the Following Questions

Use the information below to answer the following questions.
-When preparing its sales forecast, an organisation can use the 'bottom-up' approach. One of the features of this approach is that:

A) it is particularly effective in unstable external environments.
B) operating personnel are motivated to prepare realistic budgets and accept them as benchmarks in performance evaluation.
C) multiple levels of managers and salespersons are involved in the forecasting process.
D) all of the above.