Variable cost per unit $20- price $30 total fixed cost $50,000 Expected sales 8000 units- target profit $20.000 Required: 1. Compute break-even volume and value 2. Compute the quantity of sales that achieve the target profit 3. Compute the safety margin ratio. 4. If the variable cost increases by 20%, what is the effect on break-even volume. 5. If the fixed cost decreases by 20%, what is the effect on break-even volume.