Rising Star Inc is forecasting that their sales will increase by $250,000 next year, $275,000 the following year, and $300,000 in the third year. The company estimates that additional cash requirements will be 5% of the change in sales, inventory will increase by 7% of the change in sales, receivables will increase by 10% of the change in sales, and payables will increase by 8% of the increase in sales. Forecast the increase in net working capital for Rising Star over the next three years.