A. 5%
B. 4%
C. 3%
D. 7%
🧠 Explanation:
A man buying an article for $27.50 and selling it for $28.60 gains 4%, calculated as profit divided by cost price. This percentage is a key topic in mathematics, engaging students and business learners. Understanding profit calculations ensures accurate financial decisions, relevant for commerce and budgeting. The problem’s clarity attracts those studying percentages, highlighting their use in real-world scenarios like trade and finance for practical applications.
