Fine Leather Enterprises sells its single product for $129.00 per unit. The firms fixed operating costs are $473,000 annually, and its variable operating costs are $86.00 per unit. a. Find the firms operating break-even point in units. b. Label the x-axis Sales (units) and the y-axis Costs/Revenues ($), and then graph the firms sales revenue, total operating cost, and fixed operating cost functions on these axes. In addition, label the operating break-even point and the areas of loss and profit (EBIT)