I'm having trouble understanding the steps to finding the answer for question 3 in the picture inserted. Any insight onto the method and steps to take would be really helpful! Thank you!

Sales Mix and Break-Even Sales Data related to the expected sales of laptops and tablets for Tech Products Inc. for the current year, which is typical of recent years, are as follows: Products Unit Selling Price Unit Variable Cost Sales Mix Laptops $1,600 $800 40% Tablets 850 350 60% The estimated fixed costs for the current year are $2,498,600. Required: 1. Determine the estimated units of sales of the overall (total) product, E, necessary to reach the break-even point for the current year. 4,030 V units 2. Based on the break-even sales (units) in part (1), determine the unit sales of both laptops and tablets for the current year. Laptops 1,612 units Tablets 2,418 units 3. Assume that the sales mix was 50% laptops and 50% tablets. Compare the breakeven point with that in part (1). Why is it so different? X units