Final answer:
To assure that intended change is aligned with the firm's strategic plan, inputs such as organizational culture and market trends are necessary.
Step-by-step explanation:
The inputs needed to assure that intended change is aligned with the firm's strategic plan include organizational culture and market trends.
Organizational culture involves the values, beliefs, attitudes, and systems that influence employees' behavior. It plays a significant role in determining employers' expectations and can help ensure that change aligns with the strategic plan. Market trends refer to the current conditions and developments in the relevant industry. Considering market trends is crucial to making changes that align with the firm's strategic plan.