please answer all questions

QUESTION 6 ClearLab is a cosmetic company that reaches out to its customer with little or no experience. The company has a staff of beauticians to help customers select the right cosmetic products, show them which cosmetic is appropriate for each customer and provide 24/7 support. The company is working on an online system to manage its growing business. a) Suggest FOUR (4) data validation rules that might help reduce input errors for a data entry screen for entering new members. (4 marks) b) Design a dashboard screen for the ClearLab manager. The screen needs to include: 1 main menu and 2 sub-menus to manage customers, summary in number for total customers 1 main-menu and 2 sub-menus to manage product, summary in number for total products 1 main menu and 2 sub-menus to manage beauticians, summary in number for total beauticians 1 sales report summary in the graph for 6 months in 2021 (6 marks)