Which of the following could explain why Regal had a negative net cash flow even though the cash on its balance sheet increased? a. The company repurchased 20% of its common stock b. the company sold a new issue of bonds c. the company made a large investment in new plant and equipment d. the company paid a large dividend e. the company had high amortization expenses. I know the correct answer is B, but I don't understand WHY? couldn't it also be, A,C, or D??? Please give me a detail explanation because I don't understand at all....