Nurses on an inpatient care unit are working to help reduce unit costs. Which of the following actions is appropriate to include in the cost-containment plan?

C Return unused supplies from the bedside to the unit's supply stock. A Wait to dispose of sharps containers until they are completely full. D Store opened bottles of normal saline in a refrigerator for up to 48 hours. B Use clean gloves rather than sterile gloves for colostomy care.