3 ms·
Maybe he calculated assuming a free shirt if you randomly get a least-popular? This means 14.4 instead of 12 per year, and truncates to $13 (rounds to $14).
by thedufer 14y ago
Maybe he calculated assuming a free shirt if you randomly get a least-popular? This means 14.4 instead of 12 per year, and truncates to $13 (rounds to $14).