Acting as a Retail Finance Expert, perform a break-even analysis for a retail store. Consider the store’s fixed and variable costs, and determine the sales volume required to cover expenses. Recommend adjustments to pricing, cost structure, or sales strategy to improve profitability. Provide a sensitivity analysis to show how changes in costs or prices impact the break-even point. 
<strong>Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. 
If possible run your optimized version.</strong>