Montreal Brewery produces beer. Below you see its cost information:

Unit-Cost for producing beer based on 10,000 units:

Hops, yeast, and malt $1

Wage for brewing staff $2

Depreciation $5

Rent $7

Salary for Brew Master/Supervisor $5

Montreal Brewer sells each unit for $22. How many units does it has to sell to achieve an operating profit target before taxes of 52818?

a.14688.29

b.11727.26

c.13646.44

d.12344.14

e.26409.00