Rerun Manufacturing Company is in the process of preparing its 2016 budget and is anticipating the following changes: 25% increase in the number of units sold. 15% increase in the direct material unit cost. 10% increase in the direct labor cost per unit. 7% increase in the manufacturing overhead cost per unit. 11% increase in the marketing price 5% increase in the administrative expenses. Rerun does not keep any units in inventory The composition of the cost of finished products during 2015 for materials, direct labor, and factory overhead, respectively, was in the ratio of 3:2:1. The condensed income statement for 2015 is as follows: Sales (40,000 units) $520,000 20,800 499,200 316,000 Less sales returns Net sales Cost of Goods Sold Gross Profit Selling Expenses Admin.Expenses Net Income $183,200 70,000 40,000 10100110,000 73,200 What are estimated net sales for 2016, assuming the sales return/gross sales relationship remains constant? O $692,640 O $580,000. O $684,686 $599,000