Pizza Corner produces delicious pizzas. Below you see its cost information: Unit-Cost for producing pizzas based on 100 units: Flour $2.6 Tomatoes $1.5 Cheese $3 Oil $1.5 Other ingredients $2 Wages for bakers $5 Depreciation $1 Rent $2 Salary for Supervisor $2 Pizza Corner sells each unit for $23. How many units does it have to sell to achieve an operating profit target after taxes of $1439? Assume a tax rate of 20%. 

a. 749.48 

b. 147.36 

c. 310.64 

d. 262.03 

e. 225.71