After seeing the results of this question's answer 1 is incorrect. From the instruction I believe that either 2 or 4 are the correct answer.
Answer: Ferdinand Magellan is best known for being an explorer for Portugal, and later Spain, who discovered the Strait of Magellan while leading the first expedition to successfully circumnavigate the globe. He died en route and Juan Sebastián del Cano completed it.Sep 5, 2019
Died: April 27, 1521
Profession: Navigator, Explorer
Place of burial: Mactan
Explanation:
As I am thinking you mean "Producers" when you say "Sellers" I am going to go with, Yes. You are correct it is Supply.
(Also the other one is called Demand not price)
Don larson in 1956 i think