【判断题】If aggregation reduces the required safety inventory for a product by a small amount, it may be best to carry the product in multiple decentralized locations to reduce response time and transportation...
【单选题】6Roger is considering undertaking a contract which will yield income of $15,000 over a 15-month period.To carry out the contract he will have to use 1,000 kg of material. 800 kg is already held in inv...