T F $1.$ Aggregate planning or planning by groups of products seeks to find the combination of

monthly work force, production, and inventory levels that minimizes total production$-$

related costs over the planning period.

T F $2.$ The master production schedule disaggregates the aggregate production plan and

specifies the amount on weekly basis for the manufacture of specific end products.

T F $3.$ In some firms, product demand can be affected through discount or advertising.

T F $4.$ The constraints on aggregate planning include union agreements, short$-$term physical

capacity levels, and the amount of money that can be tied up in inventories.

T F $5.$ Aggregate planning considers the costs of regular and overtime labor, hiring, layoffs,

inventory holding, backlogging, and subcontracting.