Alex started APB as a sole trader business 4 years ago. APB provides printing services for local businesses, such as leaflets and brochures. Alex thinks having a good location is important to any business. All APB’s 6 employees receive on-the-job training. Alex has a democratic leadership style and uses job rotation to help keep employees motivated. To meet an increase in demand, Alex plans to buy an additional printing machine. This will cost $1 800. Alex has to decide on an appropriate source of finance.