Which of the following are the managerial levers that can help companies reduce safety inventory? Select all that apply. Reduction of the demand uncertainty experienced by the supply chain. Reduction of supply uncertainty. Sharing of information and coordinated demand and supply planning can help a supply chain reduce supply uncertainty. Reduction of lead times. Replenishment lead times consist of production time, transportation time, and various forms of delay. A focus on reducing these delays can help reduce lead times. Reduction of inventory holding cost