$3.$Voting: a$.$Deploy the contract using your first account $($Main Account$).$ Name three proposals to be voted as $0,1,$ and $2.$ Note: the input for proposals should be: $[0,1,2]$b$.$Give voting rights to two additional accounts $($Accounts $2$ and $3)$c$.$Use Account $2$ to vote for proposal $1$d$.$Use Account $3$ to delegate the vote to the Main Accounte.Use Main Account to vote for proposal $2$f$.$Can you add a constant function to the Voting contract to show the winning proposal? Include your code and results$\mathrm{.}4.$Crowdfunding