$\backslash$table$[[1,200],[2,400],[3,600]]$

What are the daily fixed costs of production?

Choose one:

A$.$ $$160$

B$.$ $$400$

C$.$ $$480$

D$.$ $$0$

E$.$ $$80$

The labor cost per day of hiring two workers is $ $.$

The total cost per day when three workers are hired is $ $$

The marginal product per day of the fourth worker is $$ cookies.