Advertisement. It is imperative to predict or at least know the quantified financial benefit of the Lean Journey. Often, firms can show improvement in terms of cycle times and setup times, but the expression and visibility of these improvements in real and precise financial terms is often missing.his will show the dollar value of the non-value adding activities. Unused capacity is also identified and dollarized. This will result in a “ Cost of Waste ” for each process, showing how lean the process is in dollar terms and highlighting the potential for cost reduction.