A company was entered in hire purchase agreement and had to pay $1000 per month. Three payments were made via bank account but no entry was found in cash book. Identify the correct adjustment in cash book

1. A Option A: $1000 will be added to cash book balance
2. B Option B: $2000 will be deducted from cash book balance
3. C Option C: $3000 will be added to cash book balance
4. D Option D: $3000 will be subtracted from cash book balance