Identify a source and a control document that Chris Condie Computer Supplies could use for each of the following transactions:

Transcribed Image Text:

Transaction Repairs a customer's computer on credit Transfers monthly rent on shop by electronic funds transfer to landlord's bank account Buys spare parts from XYZ Ltd on credit Returns some faulty spare parts to XYZ Ltd Accepts debit card payment from customer for cash purchase of a computer Buys petrol for business motor vehicle using a business credit card Invoiced a customer for 20 items but only delivered 15 as per customer's order Source document Control document