Let L = the number of license plates sold
The cost of making the license plates is 5525 + 2.5L.
The income from sales is 5.99L
The break even point is when cost = income, i.e.
5525 + 2.5L = 5.99L
5525 =3.49L
L = 1583.09, i.e. the company must sell 1584 license plates to make any profit.