If risk leverage value, rl, is ≤ 1, clearly the benefit of applying risk reduction is not worth its cost.
If rl is only slightly > 1, still the benefit is very questionable, because these computations are based on probabilistic estimates and not on actual data.
Therefore, rl is usually multiplied by a risk discount factor ρ < 1. If ρ rl > 1, then the benefit of applying risk reduction is considered worth its cost.
If the discounted leveraged valued is not high enough to justify the action, the team should look for other, less costly or more effective,reduction techniques.