I can't for the life of me figure out 35 or 36, someone please help me out

35. On August 1st, 2019 PW Audio Supply recorded a debit to Accounts Receivable and credit to Sales Revenue for a sale of equipment totaling $4,900 to B&B Sound Solutions. On August 2nd, 2019 B&B Sound Solutions discovers that some of the equipment was defective and the sent it back to PW Audio Supply. What Journal Entry should PW Audio Solutions record to recognize the return of goods back to the seller to adjust A/R and Sales Revenue to actual? Ref. P. 239-240. 36. What Journal Entry should be recorded for a sales discount given to a customer in this example. Assume that PW Audio Supply sells inventory worth $3,500 with discount terms of 2/10, net 30 on May 1st, 2019 to B&B Sound Solutions (different transaction). On May 30, 2019 their accounting team sends out the products and records a credit to inventory and a credit to sales revenue for $3,500.00. On May 3rd, 2019 B&B Sound Solutions decides to make their payment early so that they can take advantage of the purchase discount that PW Audio has offered them. What journal entry should PW Audio Supply record on May 3rd to journalize this transaction