For the year ended December 31, 2018, a corporation had cash flow from operating activities of $12,000, cash flow from investment activities of - $10,000, and cash flow from financing activities of $4,000. The Statement of Cash Flows would show a O A. net decrease of $18,000 in cash and marketable securities. B. net decrease of $6,000 in cash and marketable securities. O C. net increase of $6,000 in cash and marketable securities. D. net increase of $2,000 in cash and marketable securities