Supply chain mapping techniques enable managers to see where value is added int eh supply chin. To improve the value added time ratio, managers should seek to:
a. lowering transportation costs by holding order and shipping in bulk
b. lowering negotiated rates with suppliers to offset poor delivery performance
d. daily inspections to be sure no oil is leaking form the pipeline
d. shorten times products sit waiting for have form, time or place value added
e. increasing demand for product though constant promotions
Answer: D