$(7$ points in total$)$ Please refer to "Memory and Learning".

a$.$ Please briefly explain the Model of Memory describing how information is recorded in our brain. Make sure you mention three types of Memory units as you describe this process and how information is processed in three basic memory processes $(5$ points$)$

b$.$ Use one or two sentences to briefly explain what marketers could do to help consumers retrieve $($not 'encode' or 'store'$)$ their brand$/$product information. $(2$ points$)$