Answer: B. He should create a budget and start saving for a new car and house.
Explanation: In other to make his goals of buying a car and a house attainable, the first step John should take is to create a budget and start saving towards his goals. Once John has gotten a job that pays a known monthly, he can then draft a budget of how he intends to spend his monthly earning on his regular needs and how much he will set aside as saving towards his goal of buying a car and a house. This will enable him keep track of his spending while also ensuring that he keeps a portion of his earning.