Sanchez Co$.$ sold for $$12,000$ inventory that had cost $$8,000.$ Freight terms for the sale were FOB destination and payment terms were $1/10,$ n$/30.$ Sanchez records sales transactions at the gross amount. Sanchez paid freight costs of $$400$ in cash. The receivable was collected within the discount period. Based on this information alone, the amount of gross margin would be ?