In the world of sales, for the most part you make a sale or you don't. With programming, you can tackle the problem in many ways. There's no easy way to measure

In the world of sales, for the most part you make a sale or you don't. With programming, you can tackle the problem in many ways. There's no easy way to measure quality. If you pay just for getting the job done, you're encouraging programmers to complete more tasks faster which would lead to poor quality code, endangering the health of the company as a whole.