Q.4. An election is contested by 3 candidates and the candidates are numbered from 1 to 3. The voting is done by marking the candidate number on the ballot paper. Write a program in R to i) cast the vote for user supplied n voters, and to ii) read the ballots and count the votes for each candidate. In case a number read is outside the range of 1 to 3, the ballot should be considered as a 'spoilt ballot and the program should also count the number of spoilt ballots. [5]