Magaldi is constructing its cash budget. Its budgeted monthly sales are $20,000, and they are constant from month to month. 60% of its customers pay in the first month and take the 1.5% discount, while the remaining 40% pay in the month following the sale and do not receive a discount. The firm has no bad debts. Purchases for next month's sales are constant at 40% of projected sales for the next month. These purchases are paid immediately. "Other payments," which include wages, rent, and taxes, are 30% of sales for the current month. What is the average net cash flow during the month?