If P = probability of injury, L = seriousness of injury and B = private and social costs of the necessary precautions, in which of the following formulations of the Learned Hand test would a reasonable person take precautions?

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The Learned Hand test suggests that a reasonable person would take precautions if the cost of the precautions (B) is less than the product of the probability of the injury occurring (P) and the seriousness of the injury (L), which is represented as B < LP. This means that if the expected loss from not taking precautions (LP) is greater than the cost of taking those precautions (B), it is reasonable to take those precautions.

If P = Probability of Injury, L = Seriousness of Injury