For the year ended December 31, 2020, Telecomm Corp had the following: cash flow from operating activities of $30,000, cash flow from investment activities of - $40,000, and cash flow from financing activities of $15,000. The statement of cash flows would show a O a. net increase of $10,000 in cash and marketable securities O b. net decrease of $5,000 in cash and marketable securities O c. net decrease of $10,000 in cash and marketable securities O d. net increase of $5,000 in cash and marketable securities