True or False? No explanation needed. But please try your best. Will give excellent ratings if you answer each one :)

(a) For a large ecommerce company absorbing the cost of shipping goods to its customers from the companys suppliers, the introduction of intermediate distribution centers generally enables a reduction in its shipping costs and a reduction in lead times to the customers.

(b) In a multi-stage, multi-company supply chain, promotions can be tailored to reduce the bullwhip effect from that present in the case of constant prices.

(c) In a supply chain with no information sharing, the variance in replenishment order size at a particular stage grows approximately linearly with the overall lead time to the end customer faced by that stage.

(d) When a supplier makes to stock and must rely on customers to develop demand forecasts, the bullwhip effect can by mitigated by an advance purchase contract.

(e) Introduction of cross-docking in a large retailing firm does not appreciably reduce the bullwhip effect.