Below are Royal Caribbean's cash flows from its most recent 10-K. Based on these, are you concerned about the company's operating cash flows, and if so, why?

2021 2020 2019 Net cash (used in) provided by operating activities (1,877,815) (3,731,653) 3,716,366 Net cash used in investing activities (2,144,739) (2,178,566) (3,091,406) Net cash provided by (used in) financing activities 3,040,577 9,349,788 (670,371) O No O None of the answers is correct Yes, the firm doesn't have enough cash Yes, OCF