Answer:
cash 20,000 debit
sales revenue 20,000 credit
COGS 10,000 debit
inventory 10,000 credit
Explanation:
The sale is a revenue thus credited.
We recieve cash which is an asset. When asset increase we debit.
Then, we must recognize the expense associate with this sale. Also, this decreases our invnetory, we have less assets o we credit inventory account.