In Problem 4, assume that the workforce cost increases by $2,000 per worker and backordering is increased to $25 per unit per period. Which strategy is the best now?
(a) Level production with overtime and subcontracting
(b) Pure level production strategy
(c) Pure chase strategy
(d) 2,500 units of regular production from March through September and as much regular, overtime, and subcontracting production in the other months as needed to meet annual demand.