The Simpson Company buys portable speakers for $$140$ and sells them for $$260$ each; the company has the following sales forecast: August $200$ units, September $280$ units and October $310$ units. Ending inventory for each month should be $20\%$ of the next month$$s sales. The company had $36$ units on hand on August $1$st$.$ What total dollar amount would appear on the company$$s income statement budget for cost of goods sold for September?