The Boston Consulting Group $($BCG$)$ portfolio matrix indicates that one of the company's businesses is in the question mark category. The company should

divest the business unit even if it is prospective because the industry growth rate is low.

maintain its position since it will automatically move to either stars or cash cows regardless of the actions taken by the company.

invest more using profits from cash cows if it is prospective to increase market share to turn into stars over time.

invest more even if it is not prospective since the industry growth rate is high and it is always wise to invest more in industry with rapid growth.