Western digital, the irvine, california-based maker of disk drives, recalled about 400,000 of its hard drives because of a faulty internal chip. the chip will not affect the disk drive motor until after six to twelve months of use. this delay in the problem's appearance means that many consumers would not think to blame the disk drive manufacturer. but, instead of taking the less expensive route of remaining quiet about the problem, western digital chose to offer replacement disk drives for all those that had the faulty chip. this action is an example of