Final answer:
The query relates to the business concept of free cash flow concerning Champagne's investments in 2008, although the information provided does not directly answer this. Free cash flow refers to the cash generated by a company after supporting operations and maintaining assets. An example given is the calculation of a firm's accounting profit.
Step-by-step explanation:
The question on free cash flows related to Champagne's investments for 2008 is a Business subject topic, specifically within financial management.
According to the provided information, there isn't a direct answer to Champagne's free cash flows for 2008; the available data includes different financial aspects such as a firm's accounting profit, the effects of interest rates on investment amounts, and a basic equation for calculating a nation's gross domestic product (GDP). Free cash flow is the cash a company generates after accounting for cash outflows to support operations and maintain its capital assets. While this is not provided, an example calculation of accounting profit is given, which can be calculated by subtracting the total costs from the sales revenue, giving us the firm's accounting profit.