Diana Company makes and sells 2 models of dishwashers, Model ABC and Model XYZ. For every 2 Model ABC sold, 3 Model XYZ are sold. Larry Company incurs $1,120,000 in fixed costs per month. The contribution margin per unit of Model ABC is $200 and the contribution margin per unit of Model XYZ is $400. How many units of Model XYZ would the company need to sell at its breakeven point?

Portia grant is an employee who is paid monthly. for the month of january of the current year, she earned a total of $8,388. the fica tax for social security is 6.2% of the first $118,500 earned each calendar year and the fica tax rate for medicare is 1.45% of all earnings. the futa tax rate of 0.6% and the suta tax rate of 5.4% are applied to the first $7,000 of an employee's pay. the amount of federal income tax withheld from her earnings was $1,391.77. what is the total amount of taxes withheld from the portia's earnings?