please answer parts a through d for a thumbs up. thankyou

On June 10, 2023, Data Recovery Services (DRS) performs data recovery work on a customer's crashed hard drive for $3,000 on account. On June 19 , the customer picks up the hard drive and realizes that approximately 30% of the data was not recovered and DRS grants the customer an allowance of $900 because of the problem. On June 30 , the customer makes full payment of the balance owed, excluding the allowance. Required: a. Record the credit sale on June 10. b. Record the Sales Allowance on June 19. c. Record the cash collection on June 30 . d. Calculate net revenues (also called net sales) associated with these transactions