If you could solve this you'd be a legend

Suppose an application for an opinion poll is to be built. Assume that only one issue is being polled. Respondents may choose yes, no, or don't care. A server process accepts the votes, keeps the tally in global variables (yesCount, noCount, dontCareCount), and provides the current counts to those who are interested. A client process runs on the client side. The polling is to take place on a university campus during a time period of 30 minutes, allowing thousands of students to cast their votes from hundreds of workstations. Following is a sequence diagram proposed for the application: client server I w ant to vote" Vote(1) yes, (2) no, or (3) don't care 1, 2, or 3 How many yes? vesCount value How many no?" these messages are optional noCount value How many don't-care?" dontCareCount value Do you agree with this design? Justify your answer. If you disagree with the design, provide an alternate sequence diagram that you consider to be an improvement. Is there any need to provide mutual exclusion to the server code? Explain. If your answer is yes, explain how you would provide that in your code. 1. 2