Sentence Correction (SC) | Re: Many online retailers charge “restocking fees” on returns if the

a. if the purchase price is refunded back to the customer's credit card, but charge no such fees if given as ---- refunded back

b. for purchases that are refunded to the customer's credit card, but not when those purchases are refunded as---- so purchase price is refunded not the purchase.

c. when the purchase is refunded back to the customer's credit card, but not given in the form of ---- refunded back

d. if the purchase price is refunded to the customer's credit card, but not if the refund
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