Refer to the table shown. The average fixed cost of producing $5$ units of output is:

$\backslash$table$[[$Units of output,Total cost$],[0,5],[1,11],[2,16],[3,20],[4,23],[5,25],[6,26]]$

A$)$ $$0.$

B$)$ $$1.$

C$)$ $$2.$

D$)$ $$3.$