If two-thirds of the articles is sold at 25% profit, 20% of them is sold at a loss of 20% and the remaining articles are sold at a profit of 20%, then the profit of Rs. 3312 is obtained. Find the cost price of the articles.
यदि वस्तुओं का दो-तिहाई हिस्सा 25% लाभ पर, 20% हिस्सा 20% की हानि पर और शेष हिस्सा 20% के लाभ पर बेचा जाता है, तो रु 3,312 का लाभ होता है | वस्तुओं का लागत मूल्य है:

Options

A. Rs 18,600
B. Rs 21,400
C. Rs 21,600
D. Rs 20,000