Which of the following describes a situation in which the price of a good would rise?

a. a new technology allows producers to increase supply very quickly.
b. scarce natural resources make it more difficult for producers to keep up with demand.
c. consumers start using less of a good because more substitutes are available.
d. production is increased in order to catch up with a sudden rise in demand.

Arthur met rottweiler breeders lynda and george at a dog show in rhode island. the couple, who reside in new york state, later sold several rottweiler dogs to arthur who lived in rhode island. arthur later sued lynda and george, claiming that the dogs were sick and infirm. he filed a complaint in rhode island courts, claiming that even though the dogs were sold in new york, the breeders had attended the dog show and advertised in the rottweiler newsletter which was distributed at the event in rhode island. based on the facts, do you think rhode island courts have personal jurisdiction in this case?