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