Use the​ "percent of sales​ method" of preparing pro forma financial statements to determine the projection for next​ year's accounts payable. Make the following​ assumptions: current​ year's sales are​ $27,800,000; current​ year's cost of goods sold is​ $17,528,000; sales are expected to rise by​ 30%. The​ firm's investment in accounts payable in the current year is​ $2,218,500. What is the projection for next​ year's accounts​ payable?