Lindstrom Company produces two fountain pen models. Information about its products follows: Lindstrom's fixed costs total $78,500. Required: 1. Determine Lindstrom's weighted-average unit contribution margin and weighted-average contribution margin ratio. 2. Calculate Lindstrom's break-even point in units and in sales revenue. 3. Calculate the number of units that Lindstrom must sell to earn a $150,000 profit. 4. Calculate Lindstrom's margin of safety and margin of safety as a percentage of sales if it sells 8,000 total pens. Complete this question by entering your answers in the tabs below. Calculate the number of units that Lindstrom must sell to earn a $150,000 profit. (Round your answer to the nearest whole number.) Lindstrom's fixed costs total $78,500. Required: 1. Determine Lindstrom's weighted-average unit contribution margin and woighted-average contribution margin ratio. 2. Calculate Lindstrom's break-even point in units and in sales revenue. 3. Calculate the number of units that Lindstrom must sell to earn a $150,000 profit. 4. Calculate Lindstrom's margin of safety and margin of safety as a percentage of sales if it sells 8,000 total pens. Complete this question by entering your answers in the tabs below. Calculate Lindstrom's margin of safety and margin of safety as a percentage of sales if it sells 8,000 total pens. (Round your margin of safety in units to the nearest whole number and your percentage of sales answer to 2 decimal places (i.e. . 1234 should be entered as 12.34%) )