You are Martin Parker,the president of the company.You have invited Professor John Clinton of Harvard University to give a talk in your company on March 5.Write a memo to William White,the Office Manager of the company,1.informing him that the talk will be from 9 a.m.to 12 a.m.the professor will need a slide projector video2.asking him to arrange accommodation for Professor Clinton on March 53.telling Kim to send a formal invitation to Professor Clinton