Equation #19 · Chapter 9

Legacy Liability L_legacy

L_{legacy} = P \times (1 + r)^t

L_legacy · Ch 9

P × (1+r)^t. The cheapest option always looks expensive today. Show them what doing nothing costs.

Legacy cost today ($M/yr)2.5

Decay constant r0.17

Years out5

Result$5.48M/yr

Doubles in 4.4 years. That's $15,017/day of inaction — the fire under the chair.