You are ringing up a customer's order when the customer notices that the price on one of the products was rung up incorrectly. The customer states that there was a sale sign in front of the product. You go and check to see if there is a sale sign, and find that there is an old, expired sale sign in front of the product. What is the MOST appropriate course of action?

A$.$ Remove the sale sign, apologize to the customer, and give the sale price to the customer.

B$.$ Call your manager to remove the sale sign and handle the situation with the customer.

C$.$ Explain to the customer that it is an expired sale sign and she needs to pay the higher price.

D$.$ Ask a co$-$worker to finish ringing up the customer while you check to make sure all the signs in the store are current.