Charles Is Visiting One of His Retail Customers

Multiple Choice

Charles is visiting one of his retail customers.During his visit, he suggests that the store's sales staff should mention to every customer that buys tires to have the tires balanced (an additional service that the retailer charges) .What would you call Charles' suggestion that may directly lead to better service and increased revenue for the retailer?

A) aggressive sales approach
B) the bundle sale package
C) cross-selling
D) assertiveness technique
E) the SELL sequence