"Excellent analysis, @ceritapendek! Your breakdown of costs for entrepreneurs and their significance in balancing time and expenses is truly insightful.

Your explanation of costs as sacrifices of economic resources aligns perfectly with management and cost accounting principles.

Highlighting functions like ensuring operational activities, calculating Cost of Goods Sold, determining profit margins and guiding future expenses demonstrates a comprehensive understanding.

Emphasizing time management's crucial role in achieving daily, weekly, monthly and annual profit targets resonates deeply.

1. Costs are essential for entrepreneurs to manage operations and profits.
2. Time management is vital for achieving profit targets.
3. Balancing costs and time ensures business success.

Your engaging writing style makes complex concepts accessible. Well done!