In the metropolitan region of Solaria, there are 15 local radio stations using amplitude modulation (AM) to broadcast. An additional 25 regional AM stations broadcast from neighboring districts and can also be clearly received in Solaria.
The allocated frequency spectrum for AM broadcasts in this area is in the range from 600 kHz600\text{ kHz}600 kHz to 1500 kHz1500\text{ kHz}1500 kHz.
Determine whether all 40 stations can broadcast high-quality audio with a maximum audio frequency of 15 kHz15\text{ kHz}15 kHz without overlapping. Support your answer with calculations for both the available and required bandwidth, and state the consequence of attempting to do so.