Could I get some help on answers and brief explanation on why its correct answer, please and thank you, if you could show your work it would be greatly appreciated

A company enters into a sales contract for a total price of $400,000. The contract includes 3 performance obligations independently valued as follows: Fair Market Value of Goods/Service Performance obligation #1$300,000 Performance obligation \#2 - \$150,000 Performance obligation #3 - $50,000 Determine the appropriate amount of revenue that the company should recognize specifically for the first performance obligation assuming work has been completed. Your Answer: 300,000 need to calculate allocated revenue based on relative fair value calculation