Answer:
See explanation section.
Explanation:
In the book of Radomir Company
merchandise inventory            Debit = $1,350
account payable - Lemke Company Credit = $1,350
To record the purchase from Lemke Company on account.
In the book of Lemke Company,
Accounts receivable Radomir Company Debit  $1,350
Sales revenue                       Credit $1,350
To record the sales on account.
Cost of goods sold Debit     = $940
Merchandise inventory Credit = $940
As the company uses perpetual inventory system therefore, the company will gave cost of goods sold journal.