Please help with last part of number 4. I already have questions 1-3 correct.

Lindon Company is the exclusive distributor for an automotive product that sells for $40 per unit and has a CM ratio of 30%. The company's fixed expenses are $180,000 per year. The company plans to sell 16,000 units this year. Required: 1. What are the variable expenses per unit? 2. What is the break-even point in unit sales and in dollar sales? 3. What amount of unit sales and dollar sales is required to attain a target profit of $60,000 per year? 4. Assume that by using a more efficient shipper, the company is able to reduce its variable expenses by $4 per unit. What is the company's new break-even point in unit sales and in dollar sales? What dollar sales is required to attain a target profit of $60,000? Answer is complete but not entirely correct. al $ Variable expense per unit Break-even point in units Break-even point in dollar sales Unit sales needed to attain target profit Dollar sales needed to attain target profit New break-even point in unit sales New break-even point in dollar sales Doller sales needed to attain target profit $ 15,000 600,000 20,000 800,000 11,250 450,000 800,000 X $ $