Miranda is in charge of tracking the output quality of recycled aluminum at reclaimed metals. when she went on maternity leave, silas was brought on in a temporary capacity to cover her position during her absence. the department manager, rochelle, knew that the company’s rapid growth had increased miranda’s workload over recent months, and she wanted to ensure miranda would not have to work overtime upon her return since miranda would have a new baby at home. in order to allow miranda to ease back into work upon her return and to account for increased work demands due to future company growth, rochelle decided to hire silas permanently to handle the quality assurance responsibilities with miranda. this arrangement is known as: