Assume a company has sales of $423,800, production costs of $297,400, other expenses of $18,500, depreciation expense of $36,300, interest expense of $2,100, taxes of $23,600, and dividends of $12,000. In addition, you're told that during the year the firm issued $4,500 in new equity and redeemed $6,500 in outstanding long-term debt. If net fixed assets increased by $7,400 during the year, what was the addition to net working capital?
A) $11,500
B) $24,500
C) $15,800
D) $37,500