How can retailers motivate employees to sell merchandise aggressively and at the same time not jeopardize customer service?

Explanation:

Every retailer businessman knows that the value of their workforce. the good employee sells more products, genuinely engages with the customer, and act as a brand ambassador in the store and outside in their lives. But some retailers struggle with how to motivate employees and keep them in the same way.  

Some productive motivation methods optimize the products:

"the importance of the japanese economy and security is far greater than that of the asian values"

just don't strip down in public lol