The first step keeps a fixed exact share of units.

highlighted = computed this step

Step A Yield

Step A yield is 9/10.

yield A=9/10\text{yield A} = 9/10
Rolled throughput yieldThe chart follows good units through the serial steps.rolled throughput yieldstart 200; final good 120; RTY 3/5stepyieldgood afterRTY so farwhat-if goodA9/101809/10180B4/514418/25162C5/61203/5135start200yield 9/10step Agood 180yield 4/5step Bgood 144yield 5/6step Cgood 120what-if B yield 9/10; final 135; gain 15deterministic serial yield multiplication only