The president of Phonnick Corp. has been going over the sales forecast and cost data for the company's three product lines. These data are summarized as follows: Product Line 1 2 3 Unit Contribution Margin $12 8 5 Proportion of Total Sales 20% 20% 60% The fixed costs for the year plus the estimated income before income tax have been estimated at $823,200. How many units of each product line must be sold to achieve the profit objective? 1: 2: 3