it takes that long to make money while they get a year older every hour or so.
Every two hours, actually.
The seven-day projection therefore equates to 84 years in the VF world. That's three or four generations.
In other words, there is practically no chance it will prove to be accurate; changing peeps and their salaries, events, food costs, payments for house upgrades, and so on can't be included in the calculation.