Which option identifies the step skipped in the following scenario? Eric is a newly hired engineer who has just ruined a prototype of a very expensive jet plane made from steel. He was short on time, so he rushed the molds of the body of the jet, causing them to crack. The cost incurred put the project far over budget.

He deviated from the design plans of the project.

He did not use the proper materials for the project.

He did not pay attention to the cost analysis of the project.

He did not allow the metal to cool properly when making molds.