For the following scenario:Build the truth table;Derive the corresponding boolean expression, and simplify it to the extent possibleConstruct the digital circuit using logisim, and embed the png image. A company's board consists of 4 people: Abigail (the CEO), Benoit, Charlie, and Debra. When they take a vote, if there is a majority (either up or down), that vote prevails. If, however, there is a tie, then Abigail's vote is the tie-breaker. The truth table will show all possible combinations of the 4 votes, and the final decision for each.