Which SCF command configures power-fail support for a one-hour wait time before shutdown?

Which SCF command configures power-fail support for a one-hour wait time before shutdown?

A.
ALTER PROCESS $ZZKRN.#OSM, POWERFAIL_DELAY_TIME 3600

B.
ALTER SUBSYS $ZZKRN, POWERFAIL_DELAY_TIME 60

C.
ALTER PROCESS $ZZKRN.#OSM, POWERFAIL_DELAY_TIME 60

D.
ALTER SUBSYS $ZZKRN, POWERFAIL_DELAY_TIME 3600