Hi I was wondering if you could help me, I don't know how to get to this answer

9.The XYZ Co. has the following unit and mix data:

ProductsX-210Y-350Total

Unit sales price $100.00$80.00

Unit contribution margin15.0024.00

Sales mix in ($)80%20%

Fixed costs$99,000

Desired income before taxes @ tax rate 40%24,750

How many units of Y-350's have to be sold at the breakeven point?

a.3,750

b.1,375

c.1,875

d.2,750

e.None of the above