The difficulty with "This is certainly" is that you'll be referring to yourself during the 3rd individual. Good for introductions of someone else, although not on your own. Say "I am Joe Doe" or "You have arrived at Joe Doe" or simply just "Joe Doe". We have been more than https://case-study-solution-writi60707.techionblog.com/39795221/5-essential-elements-for-case-study-homework-solution