UML Inc. had an EBIT of 73,000, depreciation expense of 8,500, and paid 19,500 in taxes. Its interest costs were $9,800; its long-term borrowing reduced by $4,000; it raised $6,000 in new equity; and paid $12,000 in dividends. If the net capital spending was $31,000, what was the change in net working capital?

A.10,600

B.10,900

C.11,500

D.10,300

E.9,700

F.9,400

G.10,000

H.11,200