A small business would like to hire more workers. Each additional worker hired costs the business $100 a day. The additional revenue the business receives from having more workers is $150 per day for the first worker, $130 per day for the second worker, $110 per day for the third worker, and $90 for the fourth worker. How many workers in total should the business hire to maximize profits?

a.Three workers.

b.One worker.

c.Two workers.

d.Four workers.