The following income statements are provided for Li Company's last two years of operation: Year 1 Year 2 Number of units produced and sold 3,500 3,000 Sales revenue $ 101,500 $ 87,000 Cost of goods sold 68,000 60,000 Gross margin 33,500 27,000 General, selling, and administrative expenses 13,000 12,000 Net income $ 20,500 $ 15,000 Assuming that cost behavior did not change over the two-year period, what is the annual amount of the company's fixed manufacturing overhead