Norman Phone Inc

Norman Phone Inc. is a leading cell phone manufacturer who recently launched Omn-1 model. Even before the sales of Omn-1 model could reach its peak, the company launched the next version, Omn-2. Omn-2 overtook the sales of the Omn-1 model and also of its competitors' products. This helped Norman Phone Inc. to maintain its position as a leading-edge cell phone manufacturer. This scenario demonstrates the importance of _____ as a key source of competitive advantage.

A) speed-to-market
B) power-to-cost
C) event chain methodology
D) elemental cost planning