A yogurt company sells its product for $$4$ per cup. The variable costs to produce each cup add up to $$1\mathrm{.}50.$ The company$$s fixed costs each month are $$300,000.$ What is the unit contribution?

$$300,005\mathrm{.}50$

$$2\mathrm{.}50$

$$5\mathrm{.}50$

$$120,000$