Discounts on furniture negotiated from the$$ "suggested retail$$ price" for which sales personnel are authorized to bargain and to get as much in each transaction as the customer is prepared to pay

Price discrimination

A$.$

is likely to be taking place because sales personnel can identify how much each person is willing to pay.

B$.$

is likely to be taking place because the good$($the sales$$ person's time$)$ is a service.

C$.$

is not likely to be taking place because the good$($the sales$$ person's time$)$ is a service.

D$.$

is not likely to be taking place because sales personnel can identify how much each person is willing to pay.