Each step yield reduces the good units carried into the next serial step.

highlighted = computed this step

Good After Steps

Good units after the serial steps are 180, 144, and 120.

good after steps=180,144,120\text{good after steps} = 180, 144, 120
Good after stepsThe table recomputes good units after each step.good after each stepyieldgood afterstep A9/10180step B4/5144step C5/6120