The cost of running a printing machine is Rs. 450 per 1000 copies. The cost of setting is Rs. 5,000 for the first 10,000 copies and after this, the cost of setting is 50 paise per copy. The other cost is 40 paise per copy. About 20,000 copies of a magazine are printed, but only 16,520 copies are sold at the rate of Rs. 1.8 each. What is the amount earned from advertisement, if a profit of 20% on the cost price is made?
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