Professor Russel at Duke University is teaching her students about revenue recognition. Which of the following is not one of the five steps for recognizing revenue?

A $-$ Identify the separate performance obligation$($s$)$ in the contract

B$-$ Allocate the transaction price to the separate performance obligations

C $-$ Identify the contract with a customer

D $-$ Determine the transaction price

E$-$ Only recognize revenue when all the performance obligations have been satisfied