A company sells a single product for $15 per unit. Last year, the company's sales revenue was $224k and its net operating income was $20k. If fixed expenses totaled $72k for the year, calculate the break-even point in unit sales. Note: The term "K" is used to represent thousands ($1,000). k(INPUT YOUR ANSWER IN K, ROUNDED TO 2 DECIMAL PLACES. FOR EXAMPLE: 17.23)