Cаlculаte the fоllоwing infоrmаtion for a company that sold 7,000 units of a product, resulting in $70,000 of sales revenue, $28,000 of variable costs, and $12,000 of fixed costs. 1. Contribution Margin per unit 2. Break Even Units 3. Amount of increase to operating income IF sales increase by $25,000 4. Number of units that must be sold to achieve $60,000 of operating income Label each answer as 1, 2, 3, and 4 and enter your answer only – do not enter calculations. Use whole numbers and do not use dollar signs.