Furniture, Inc., estimates the following number of mattress sales for the first four months of 2019: Month January February March April Sales 24,000 40,800 34,600 41,200 Finished goods inventory at the end of December is 6,900 units. Target ending finished goods inventory is 10% of the next month's sales. How many mattresses need to be produced in January 2019? O A 19,500 mattresses B. 33,300 mattresses OC. 21,180 mattresses OD. 34,980 mattresses