Do you need to know how much obsolescence will cost you during a defined period of time? This cost prediction exercise can help with financial planning (both Customer and Supplier).
Projects need to understand, mitigate and resolve obsolescence, and in order to do so organisations (and their Customers) need to forecast a budget for this (move away from ‘unplanned money’).
It can also be very important when developing costs for bids / contracts.
TLS can help with the question: “How much money will you need to plan / forecast / budget for, to resolve and mitigate obsolescence in the next X years?”