Answer:
Date Particular Debit Credit
May 10, 2020 No Entry (Note 1) $0 $0
(To record contact entered into)
June 15, 2020 Account Receivable A/c $1,810
To Sales Revenue A/c $1,810
(To record Sales)
June 15, 2020 Cost of goods sold A/c. $1,050
To Inventory A/c $1,050
(To record cost of goods sold)
July 15, 2020 Cash A/c $1,810
To Account Receivable A/c $1,810
(To record payment received)