>>12220360>YEARSNot at all. Sales figures are reviewed at most monthly. And, trust me, if suddenly the numbers for that book came out to 0 you'd have a cocaine addicted executive shout at someone to find the correct lower price, probably by looking at what cheaper books are being sold at and then setting the price in that ball-park.
Repeat this process until the price matches the cost of production (approximately 0$).