You are walking down a path in search of heaven, however, your path splits off into two, but there is a hooded man in the middle
. He could be an angel, meaning that he will tell the truth to any question, or the devil, in which he will lie to any question. Considering you are trying to find heaven, which ONE question do you ask to the hooded man?
Ask them to point to where they live. They both point to heaven, because the angel tells the truth and points to heaven, the devils lies and points to heaven.
When there is a surplus. Obviously the producer/seller has more of the item than the consumer/buyers want or need. Therefore, they (producers) are reducing the price to unload the item. A surplus tends to cause prices to fall.