Exercise 2: Joe runs a plumbing business. Indicate which of the following transactions relate to his business and which are personal transactions. (a) Joe won $10,000 on the National Lottery and decided to invest it in the business (b) His sister's washing machine broke down and he fixed it for her as a favour. (c) She recommended him to a friend who then asked him to plumb in her dishwasher. He charged her $40. (d) Joe bought a van for the business costing $8.000 (e) He also bought a family car which he will sometimes use in the business. Exercise 3: der