Okay so I’m not good at this but lemme try some work and then I’ll tell ya :)
B. Open admission. hope this helps
Usually (rises) because of general economic growth. if there is a high demand for the goods then the price will most likely rise in order for consumers to buy a limited amount. its also a sort of scheme to increase the full potential of price. prices for a good would probably not rise if the producer/provider has an exceptional amount of stock. from price changes you can determine the demand. high price is high demand and less stock. low price is low demand and likely a surplus therefore the low price is to remove the surplus more easily (low demand)
1. Competition
2. She will be more careful to avoid debt in he future
Hopefully this helped :)
I believe the answer is volcanos