total revenues needed to break even

total revenues needed to break even
Sheltie Company sells both lamps and clocks at the following per unit data:
Unit Data
Lamps
Clocks
Selling price
$75
$45
Variable costs
48
30
Contribution margin
$27
$15
Sales mix
3
1
Assuming $149,952 fixed costs, what is the total revenues in lamps Sheltie Company needs to break even?
a. $289,800
b. $333,720
c. $351,450
d. $377,600