Define a strategic business unit $($SBU$).$

Explain the strategic business unit $($SBU$)$ matrix, and identify the important dimensions.

Explain the Boston Consulting Group $($BCG$)$ approach as a portfolio planning method.

Identify each of the four $(4)$ squares in the BCG matrix, which represent the types of SBU's.

Provide an example for each of the four $(4)$ squares.

Then determine what role each SBU will play in the future.

Identify any challenges with using this approach.