1. Referring to the original Budgeted P&L and using DOL, estimate the increase in pretax operating income if sales volume increased by 5%. 2. Determine the breakeven point, in units, for the Circular Saw product line individually. 3. Determine the budgeted weighted average contribution margin per unit (WACM/unit) and weighted average contribution margin ratio (WACM%) for the cordless division. 4. Determine the budgeted sales mix based on volume and based on revenue