Jill resigns from her job, at which she was earning $50,000 per yer, and uses her $100,000 savings on which she was earning 5 percent interest, to start a business. In the first year she earns revenue of $150,000 and her costs are as follows; Rent 25,000, Utilities 12,000, wages 30,000, materials 20,000 calculate Jill's accounting profit