Which one of the following statements concerning production andstaffing plans is best?A. The impact of production and staffing plans cutsacross several functional areas of the firm.B. Production and staffing plans specify productionrates, workforce levels, and inventory holdings, but do not accountfor capacity limitations because they are aggregated.C. Production and staffing plans attempt to achieveseveral objectives, all of which must be consistent with oneanother.D. When production and staffing plans are made,aggregation can be performed only along two dimensions: productsand time.