Which of these is a limitation in applying break-even analysis?

Question

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All of the above options are limitations in applying break-even analysis. 
Stepped fixed costs refer to costs that increase abruptly at certain levels of production, making it difficult to determine the break-even point. 
Non-linear relationships occur when the relationship between costs and revenues is not a straight line, making it challenging to accurately determine the break-even point. 
Multi-product businesses have varying profit margins and sales volumes, making break-even analysis more complex.

Which of These Is a Limitation in Applying Break-Even Analysis