Sam is preparing a $100$ people.

The buffet lunch service begins at $12$:$00$pm$.$ All items should be completed at the same time.

Consider the following:

The first item will take $30$ minutes to prepare. Additionally, it needs to be baked for $30$ minutes.

The second item needs to be taken out of its package, placed in a perforated pan, and steamed. This whole process should take $15$ minutes.

The final item requires $45$ minutes of prep time and another $2$ hours for baking.

Create a timeline to complete this buffet lunch, showing ALL the tasks Sam needs to complete and the time he$$ll start each