Rework and scrap rates use the same started-unit denominator.

highlighted = computed this step

Rework rate

Rework rate is 3/20.

15/100=3/2015 / 100 = 3/20
Yield and rework ratesThe table exposes the recomputed rates.quality ratesvaluefirst-pass yield4/5rework rate3/20scrap rate1/20final yield19/20improvement3/20

Scrap rate

Scrap rate is 1/20.

5/100=1/205 / 100 = 1/20
Yield and rework ratesThe table exposes the recomputed rates.quality ratesvaluefirst-pass yield4/5rework rate3/20scrap rate1/20final yield19/20improvement3/20