gabriellej1809 gabriellej1809 30-05-2023 Business contestada demand is unitary elastic at p = $________. a. 5 b. 10 c. 15 d. 20 e. 25 8. marginal revenue is zero at q = ________. a. 1,000 units b. 2,000 units c. 3,000 units d. 4,000 units e. none of the above