Can you help me with this question?

Boards Inc. fabricates skateboards that the company sells for $ 37.50 each. Fixed costs for the last 12 months equaled $4,800. For the same period variable cost per unit equaled $22.50.

1. Calculate the unit contribution margin.

2. Calculate the breakeven sales volume.

3. Calculate the sales volume necessary to produce a target Net Income of $3,000 per month.