PLEASE HELP 15 POINTS WILL GIVE BRAINLEIST In the following scenario, which postproduction element would be the best choice?

A large manufacturing company is planning a series of five short training videos for new employees. Each video will be 3 minutes in length. The company has budgeted $2,000 per video, with an extra $5,000 for extra expenses (total budget, $15,000). At the end of filming, the director has spent $12,865.33 ($2134.67 below budget). With the extra money, the director has a short list of things she would like to accomplish in postproduction.

adding extra stock footage of the company’s buildings and grounds to the beginning of each video.
adding a music bed to the instructional components of each video.
adding visual how-to graphics to accompany the instructional components of each video.
adding an interview with the company’s CEO at the beginning of the first video.