for the year ended december 31, 2008, a corporation has 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

a. net increase of $2000 in cash and marketable securuties

b. net increase of $6000 in cash and marketable securuties

c. net decrease of $6000 in cash and marketable securuties

d. net decrease of $18000 in cash and marketable securuties