Answer: See explanation
Explanation:
The necessary closing entries from the available information at December 31 will be calculated thus:
1. Dec 31
Dr Services Revenue $13000
Cr Income Summary $13000
2. Dec 31
Dr Income Summary $10000
Cr Wages expense $8400
Cr Rent expense $1600
3. Dec 31
Dr Income Summary = $13000 - $10000 = $3000
Cr D. Mai, Capital $3000
4. Dec 31
Dr D. Mai, Capital $800
Cr D. Mai, Withdrawals $800