Which of the following was part of Biopure’s internal environment?

Which of the following was part of Biopure’s internal environment?

Group of answer choices

a) approval by the U.S. Food and Drug Administration to allow veterinarians to use Oxyglobin

b) the global market for the raw materials needed to make Hemopure and Oxyglobin

c) a competitor developing a similar product

d) patented manufacturing process that Biopure uses to produce Hemopure and Oxyglobin

e) changes in patent law