A firm uses the pure chase strategy of aggregate planning. It produced 1000 units in the last period. Demand in the next period is estimated at 800, and demand over the next six periods (its aggregate planning horizon) is estimated to average 900 units. In following the chase strategy, the firm will add 100 units to inventory in the next period implement a lower price point to increase demand hire workers to make up the 100 unit difference add 200 units to inventory in the next period fire workers to make up the 200 unit difference