In the simple EOQ model, if annual demand were to increase, the EOQ would increase proportionately

Perfectly ________ correlated series move exactly together and have a correlation coefficient of ________, while perfectly ________ correlated series move exactly in opposite directions and have a correlation coefficient of ________

A) negatively; -1; positively; +1 B) negatively; +1; positively; -1 C) positively; -1; negatively; +1 D) positively; +1; negatively; -1

One activity within the value chain is research and development. This activity can be identified as a

A) firm infrastructure activity. B) human resources activity. C) technology activity. D) purchasing activity.