Journalise the given transactions:
1) Roy started a window cleaning business by opening a bank account under the name "Pane Is Our Business" with a deposit of $15,000 from his personal account.
2) Purchased supplies on account for $1,500.
3) Billed customers, who have 30 days to pay, a total of $2,600 for window cleaning services
4) Paid $750 to the local newspaper for a series of ads to be run during the current month to acquaint potential customers with the business.
5) Charles wrote a business check in the amount of $300 to pay for the cleaning of his swimming pool at home.
6) Received $800 immediately after finishing cleaning the windows in an office building.
7) Received $1,200 from a customer previously billed
8) Wrote a business check in the amount of $250 to pay for supplies previously purchased on credit.