Which of the following describes the level strategy? ANSWER Unselected Involves hiring and laying off employees to match the demand forecast over the planning horizon Unselected When employees do not have enough work for the regular-time workday or workweek Unselected Involves keeping the workforce constant Unselected Costs that vary with the level of inventory investment: the costs of capital tied up in inventory, variable storage and warehousing costs, pilferage and obsolescence costs, insurance costs, and taxes