Grover Company has the following data for the production and sale of 2,000 units.

Sales price per unit

$800 per unit

Fixed costs:

Marketing and administrative

$400,000 per period

Manufacturing overhead

$200,000 per period

Variable costs:

Marketing and administrative

$50 per unit

Manufacturing overhead

$80 per unit

Direct labor

$100 per unit

Direct materials

$200 per unit

What is the contribution margin per unit?