Last year stephen purchased 60 pounds of potatoes to feed his family of four when his income was $30,000. this year his income fell to $20,000, and he purchased 70 pounds of potatoes. using the midpoint method, one decimal place, and the negative sign if necessary, stephen's income elasticity for potatoes is

Coca-cola was primarily known for its core competencies in marketing, bottling, and distributing aerated drinks. however, with the success of gatorade, coca-cola developed competencies in the development and marketing of its own sports drink, powerade. which of the following is true of coca-cola? a. it is leveraging existing core competencies to improve current market position. b. it is building new core competencies to protect and extend its current market position. c. it is redeploying and recombining existing core competencies to compete in markets of the future. d. it is targeting the chasm between the early adopter and early majority market segment.