For the orginal manufacturing process found below, balance the process by time using only $4$ operations. For the Time$-$Balanced $4$ Step Process, the Operation Number order is not important. Seek to decrease PCT$.$

Original Process

Operation Number Operator Operator Cycle Time $($Seconds$)$

$1175$

$22150$

$3380$

$4490$

$55120$

$66110$

$77100$

$8885$

$9970$

$101065$

PCT $=945$