Final answer:
The statement pertains to Business, specifically customer service and sales promotion, by offering an additional service to enhance customer satisfaction and loyalty.
Step-by-step explanation:
The statement 'That suit sure looks nice on you. Are you aware that we offer free hemming on all our slacks? It only takes a couple of days.' relates to the subject of Business, particularly focusing on the practice of customer service and sales promotion.
In a retail context, offering complimentary hemming is a strategy to enhance customer satisfaction and build loyalty. It serves as a value-added service that can differentiate a business from its competitors.
By informing customers of this service, the retailer is also engaging in subtle marketing, which is effective in not only ensuring the customer is satisfied with their current purchase but also incentivizing future purchases.