Mike's Custom Furniture, Inc., reported the following comparative income statements for the years ended April 30, 2018, and April 30, 2017. Sales revenue for 2018: $194,000, Sales revenue for 2017 $163,000, Cost of goods sold: Beginning inventory for 2018: $13,600, Beginning inventory for 2017: $9,100, Net purchases for 2018: 106,300, Net purchases for 2017: 89,700, Cost of goods available for sale for 2018: 119,900, Cost of goods available for sale for 2017: 98,800, Ending inventory for 2018: 18,500, Ending inventory for 2017: 13,600, Cost of goods sold for 2018: 101,400, Cost of goods sold for 2017: 85,200, Gross profit for 2018: 92,600, Gross profit for 2017: 77,800, Operating expenses for 2018: 25,700, Operating expenses for 2017: 19,200, Net income for 2018; $66,900, Net income for 2017: $58,600 . During 2018, Mike's Custom Furniture, Inc., discovered that the 2017 ending inventory, as previously reported, was overstated by $ 1 comma 900