Type up in a 1-page memo that address the following four points regarding the assigned paper. (A)Identify the key challenge or problem that the assigned paper addressing. (B)Identify a technique or concept being used by the authors that you are familiar with, and describe your experience with that concept. (C)Identify a technique or concept being used that you are unfamiliar with, and attempt to briefly summarize the capability or purpose of that concept to the best of your ability. (D)Identify, locate, read and briefly summarize the overall concept of one of the references cited in the assigned paper. Be very detailed and explicit in the essay. The assigned paper is attached in the files(Han.PDF) and also read the Design Optimization(PDF file) first before reading the assigned paper to fully understand the paper and the concepts they are using.