The choice between revising in a group or studying individually for Commerce depends on your personal learning style and preferences. Here are some factors to consider:

1. Learning style: Determine whether you are an auditory learner who benefits from discussions and explanations in a group setting, or if you are a visual learner who prefers studying alone and using visual aids such as diagrams or charts.

2. Content complexity: Consider the complexity of the Commerce topics you need to revise. If they are relatively straightforward and you feel confident in your understanding, studying individually might be sufficient. However, if you find certain concepts challenging, discussing them in a group can help clarify any confusion and deepen your understanding.

3. Group dynamics: Reflect on your experience working in groups. If you find group study sessions productive and enjoy collaborating with others, revising in a group can be beneficial. However, if you often get distracted or find it difficult to stay focused in a group setting, studying individually may be more effective for you.

4. Time management: Assess your time management skills and the availability of your study group members. Group study sessions require coordination and finding a time that works for everyone. If you struggle with scheduling or have limited availability, studying individually can offer more flexibility.

5. Exam format: Consider the format of your Commerce exams. If they are individual assessments, studying individually allows you to focus on your own learning goals and exam strategies. However, if group work or discussions are part of the assessment, revising in a group can better prepare you for these components.

Ultimately, it may be beneficial to combine both approaches. Start by studying individually to grasp the foundational concepts and then join a study group to reinforce your understanding through discussions and collaborative problem-solving. Experiment with different methods to determine what works best for you.