Buford bus manufacturing installs a new assembly line. as a result, the output produced per worker increases. the marginal cost of output at buford:
a. will increase (the mc curve will shift upward).
b. will decrease (the mc curve will shift downward).
c. is at its maximum.
d. is declining and approaching zero. selected: e. will be unchanged.

Kendra knight took part in a friendly game of touch football. she had played before and was familiar with football. michael jewett was on her team. in the course of play, michael bumped into kendra and knocked her to the ground. he stepped on her hand, causing injury to a little finger that later required its amputation. she sued michael for damages. he defended on the ground that she had assumed the risk. kendra claimed that assumption of risk could not be raised as a defense because the state legislature had adopted the standard of comparative negligence. what happens if contributory negligence applies? what happens if the defense of comparative negligence applies?