<Ul> <Li> enter an industry in response to (expected) profits </Li> <Li> leave an industry in response to losses </Li> <Li> increase its plant in response to profits </Li> <Li> decrease its plant in response to losses </Li> </Ul> <Li> enter an industry in response to (expected) profits </Li> <Li> leave an industry in response to losses </Li> <Li> increase its plant in response to profits </Li>

Which of the following is an example of a long run cost for a manufacturing firm