The Excellent Mullen Company has a contribution margin $($CM$)$ per unit of $$30$ and a contribution margin $($CM$)$ ratio of $60\%.$ How much is the selling or sales price $($SP$)$ of each unit?

$$

$$

A$)$

$$50$

$$

B$)$

$$75$

$$

C$)$

$$18$

$$

D$)$

Cannot be determined without keeping Professor Mullen on Full Time Faculty.