A: What are you working on? B: I'm figuring out my budget. A: What budget? B: I'm making a shopping budget, so that I don't spend too much money. A: How much money can you spend? B: I can only spend $300 a month. A: Why only $300? B: I need to save the rest. A: For what? B: I need to pay my bills. A: Your budget is a good idea. B: I know. It's going to save me a lot of money, I hope.