# Shopping malls

The chain of department stores plans to invest up to 24,000 euros in television advertising. Ads will place all commercials on a television station where the broadcast of a 30-second spot costs EUR 1,000 and is watched by 14,000 potential customers. During the prime time, it costs EUR 2,000. 24,000 potential customers watch it, and late at night, it costs EUR 1,500 and is watched by 18,000 potential customers. The TV station will not accept an order to broadcast more than 15 spots in total three times. How many spots should the chain order at each time to maximize the total number of viewers who will watch them? How will many potential customers watch the spots?

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