The topic is on the economic parallels between the "family tree" discussed in the video "I Pencil" and that of the recently canceled Keystone XL Pipeline, as well as tradeoffs in making decisions.Immediately after taking office, theBiden administration made a decision to cancel the Keystone XL pipeline, resulting in initial reports of the loss of 10,000 pipeline jobs.Using concepts depicted in the video "I Pencil",discuss the parallels between the "family tree" of the pencil and that of the pipeline,and identify what you see as some of the tradeoffs involved in the cancelation decision.