Weasley Muggle Exports has hired your firm to perform walkthroughs or the Companys procedures and protocols in order to streamline efficient and effective practices. He was overwhelmingly impressed with the proposal you had submitted in Excel. He has asked for you to prepare a quick tutorial on your favorite Excel Functions. The response should be 2 pages submitted as a formal Standard Operating Procedure (hint: 1 page text, 1 page screenshots, effectively presented together). You may choose any Function listed in the FX menu. You must explain 1) the purpose of the function, 2) required variables, 3) screenshot and 4) when to use.