Document2 Layout References Mailings Review View A- A Aa BbceDdEe . . No Spacing x . Normal Heading 2 Tide If unit contribution margin is $4 per unit and fixed cost is $2 per unit (at current sales volume), how much will total profit change if we sell 10 more units at the same price? 1. Decrease by $40 2. Increase by $40 3. Increase by $20 4. Decrease by $20 2. At sales volume of 600 units, variable costs are $8 per unit, and fixed costs are $3,000. The price is $15 per unit. Predict total contribution margin for volume of 800 units. 1. $5,600 2. $4,200 3. $2,600 4. $9,000 3. I United States) Focus MacBook Air