Mauro Products distributes a single product, a woven basket whose selling price is $15 per

unit and whose variable expense is $12 per unit. The company's monthly fixed expense is

$4,500. Unit sales per month are 2.000.

Required:

a. Calculate the company's monthly break-even point in unit sales and in dollar sales.

b. Calculate the monthly unit sales needed to attain a target profit of $2,100.

c. What is the company's margin of safety as a percentage of its sales?