Final answer:
The sales-mix variance is a crucial aspect for managers to consider when analyzing sales-volume variance as it impacts profitability and informs product and marketing strategies.
Step-by-step explanation:
When analyzing sales-volume variance information, one of the key items that is important to managers is the sales-mix variance. This variance measures the impact of the actual sales mix differing from the budgeted sales mix. Understanding the sales-mix variance can provide managers with insights into which products are selling above or below expectations, thereby affecting profitability and allowing for more informed strategic decisions regarding product lines and marketing efforts.