5. Marvellous Manufacturers would like to earn a profit of 10,000 per month. They currently spend 3,000 per month on fixed costs. They incur variable costs of 5 per unit sold and sell their products at 12 each . What is the amount of sales that Marvellous Manufacturing must make per month in order to achieve their target profit? Select one: O a. 12,000 O b. 7,000 O c. 22,286 O d. 1,857