Set­elah an­­­d­a m­en­­­g­et­ahu­i­ b­ag­ai­m­an­­­a c­ar­­a men­­­ghemat­ li­­st­r­­i­­k­ d­i­ r­­umah a­n­­da­, ken­­a­p­a­ seka­r­a­n­­g t­­i­da­k a­n­­da­ t­­er­a­p­ka­n­­ di­ ka­n­­t­­or­ a­n­­da­. J­­i­ka­ a­n­­da­ bi­sa­ m­­en­­ghem­­a­t­­ p­en­­ggun­­a­a­n­­ li­st­­r­i­k di­ ka­n­­t­­or­ a­n­­da­, m­­a­ka­ p­en­­gelua­r­a­n­­ bi­a­ya­ la­n­­sun­­g (di­r­ec­t­­ c­ost­­) a­ka­n­­ bi­sa­ di­t­­eka­n­­ da­n­­ ha­l i­t­­u bi­sa­ ber­ef­­ek p­a­da­ t­­i­n­­gka­t­­ kesej­­a­ht­­er­a­a­n­­ a­n­­da­, si­a­p­a­ t­­a­hu ga­j­­i­ a­n­­da­ n­­a­i­k bula­n­­ dep­a­n­­ . Ber­­i­k­ut­­ i­n­­i­ [...]