STEP-BY-STEP ANSWER:
Step 1: Calculate all costs, including both fixed and variable expenses, to determine the full cost of production.
Step 2: Add a desired profit margin that reflects strategic investment and expected returns.
Step 3: Set prices that not only cover costs but also support long-term business objectives, such as market share and customer relationship development.
Final Answer: Long-run pricing strategies incorporate full cost recovery and strategic investment returns to ensure the sustained profitability and competitiveness of the company.