Stubbs company uses the perpetual inventory method. on january 1, year 1, stubbs purchased 800 units of inventory that cost $6.00 each. on january 10, year 1, the company purchased an additional 600 units of inventory that cost $4.25 each. if stubbs uses a weighted average cost flow method and sells 1,200 units of inventory for $12.00 each, the amount of gross margin reported on the income statement will be: (round your intermediate calculations to two decimal places.)