The selling price of a sofa set is＄$$6500$$ and the profit percentage is $$30\textbackslash\%$$ for each set sold. If the cost of the sofa set is not changed, what is the profit percentage if the profit is ＄$$1200$$? 
Overseas Competition->Knowledge Point->Word Problem Modules->Word Problems in Economics->Basic Profit and Loss Concepts
$$6500\div(1+30\textbackslash\%)=5000$$, $$1200\div5000=24\textbackslash\%$$. 