Purchase-Related Transactions The Wheatiand Company purchased merchandise on account from a supplier for $10,400, terms 1/10,n/30, The Wheatiand Company returned $1,200 of the merchandise and teceived full credit. a. What is the amount of cash required foe the payment within the discount period? b. Under a perpetual inventory system, what sccount is credited by The Wheatiand Company to record the return