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4. If the fixed costs of manufacturing a Lakewood Elementary backpack are $72, the sales price is $30, and the variable cost per unit is $18, the break-even point is how many units: 5. D.W. decides to start selling chocolate chip cookies with Nadine. They create a cookie filled with three types of chocolate chips and M\&Ms. The total cost to run their operation is: $15 in fixed costs and .50 cents in variable costs per cookie. If the sales price per cookie is $1.50, what is the breakeven point in units? 6. Sue Ellen wants to help others with their language skills and teaches three different languages via an app. Sue Ellen is trying to achieve a target markup of 200% and her costs associated with running each lesson are $1.25. How much should she charge for a lesson to realize a 200% targeted markup? 7. Fern, the owner of The Library, purchases freshly made scones every morning from a local bakery and is trying to achieve a target markup of 250% on the baked items. She pays $6.00 per dozen for the scones. How much should she charge for one scone to realize a 250% targeted markup