Kaiser's Kraft Korner sells a single product. 7,000 units were sold resulting in $70,000 of sales revenue, $28,000 of variable costs, and $12,000 of fixed costs. ANS BLANK 1. Contribution margin per unit is $_____ ANS BLANK 2. Break-even point in units is $ _______ ANS BLANK 3. The number of units that must be sold to achieve $60,000 of operating income is ____ ANS BLANK 4. If sales increase by $25,000, operating income will increase by $_____