What dose productivity mean​

Tl & co. is following a related-linked diversification strategy, and soar inc. is following a related-constrained diversification strategy. how do the two firms differ from each other? a. soar inc. generates 70 percent of its revenues from its primary business, while tl & co. generates only 10 percent of its revenues from its primary business. b. soar inc. pursues a backward diversification strategy, while tl & co. pursues a forward diversification strategy. c. tl & co. will share fewer common competencies and resources between its various businesses when compared to soar inc. d. tl & co. pursues a differentiation strategy, and soar inc. pursues a cost-leadership strategy, to gain a competitive advantage.