If your goal is to earn the highest wage possible, which of the following industries has the most favorable characteristics?

• A few firms produce a very specialized product. The firms rarely hire new employees, as they require so few.
• There are many firms producing very popular products, but the production process is so technical that properly-trained employees are hard to come by.
• Many firms are producing very popular products, and the simple processes involved in production allow the firms to hire thousands of low-skilled workers.
• A few firms produce a very specialized product, but capital is used instead of labor for much of the production. The firms primarily hire low-skilled workers, if any.