For the current year sales are $1,400,000, current assets are $101,524, and current liabilities are $85,265. If sales are forecasted to increase 14% next year, and all current assets and current liabilities vary proportionally with sales (i.e. they are spontaneous items), what is the forecasted amount of net working capital next year?

$16,259

$18,210

$18,373

$18,535