Hushpuppy Company purchased merchandise on account from a supplier for \(\$ 6,750\), terms \(2 / 10, \mathrm{n} / 30\). Hushpuppy Company returned \(\$ 1,500\) of the merchandise and received full credit.

a. If Hushpuppy Company pays the invoice within the discount period, what is the amount of cash required for the payment?

b. Under a perpetual inventory system, what account is credited by Hushpuppy Company to record the return?

obj. 3