Choose the correct answer i) It is harder to estimate the return on long-term actions than short-term actions ii) Long-term actions require a larger investment iii) Long-term actions result in incremental changes iv) Short-term actions seek to respond to a changing environement Select one: a. All of the above are true b. None of the above are false c. Only two of the above are true d. Only three of the above are true e. Only one of the above is true