Eye and View Ltd manufactures and sells lamps. The following information relates to the year ended 30 June 2020:

The company sells each lamp for $75

Annual volume = 1,000 units

Manufacturing costs:

Direct material $25 per unit

Direct Labour $10 per unit

Variable manufacturing overhead $15 per unit

Fixed administrative costs $20,000 per year

3a) Calculate the contribution margin per unit.

3b) Calculate the break-even point in units and dollars.

3c) Calculate the margin of safety in units and dollars.