[Scuba Diving] Felicia Invented a New Type of Mask That

Multiple Choice

[Scuba Diving] Felicia invented a new type of mask that was not subject to fogging for scuba divers and obtained a patent on it.She agrees to allow Mei to manufacture and sell the mask.She receives a sum of money for every mask that Mei sells.Felicia also entered into an agreement with Evan to allow him to sell the masks,but only if he also purchased non-patented diving suits from Felicia.All parties proceeded to do very well with their sales.
-Felicia's agreement with Mei allowing Mei to sell the mask is referred to as which of following?

A) A franchise agreement
B) A license
C) An illegal agreement
D) A patent agreement
E) A trade agreement