Write journals to correct the following errors. These errors are not suspense account errors.
1. £150 sales invoice posted to the credit customer, D. Brown's account - should have been posted to the credit customer, D. Black's account.
2. £50 stationery paid for in cash was debited to the cash account and credited to the stationery account.
3. £100 paid for equipment by cheque was debited to purchases?