A Unique Feature of the Robinson-Patman Act Is That It

A unique feature of the Robinson-Patman Act is that it allows for price differentials to different customers under several conditions.Which of the following practices would be permitted?

A) Using price differentials when price differences are given on the basis of other family businesses.
B) Using price differentials when charging different prices to different buyers for goods of like grade or quality.
C) Using price differentials when charging different prices on the basis of religious affiliation.
D) Using price differentials when charging the original price for refurbished goods that have been damaged or used and returned but repaired according to company specifications.
E) When price differences result from changing market conditions,avoiding obsolescence of seasonal merchandise,including perishables,or closing out sales.