Scenario Based Questions-Conditional Statements in JS

1) Shopping Discount System let amount = 6000 ; let isMember = true ; let discount = 0 ; if ( amount >= 5000 ) { discount = 0.20 ; } else if ( amount >= 2000 ) { discount = 0.10 ; } if ( isMember ) { discount += 0.10 ; } let finalPrice = amount - ( amount * discount ); console . log ( " Final Price: " , finalPrice ); 2) Login Access Check let username = " admin " ; let password = " 1234 " ; let isBlocked = false ; if ( username == " admin " ) { if ( password == " 1234 " ) { if ( ! isBlocked ) { console . log ( " User verified " ); } else { console . log ( " User blocked " ); } } else { console . log ( " Incorrect password " ); } } else { console . log ( " Incorrect username " ); } 3) Traffic Signal System let signal = " red " ; switch ( signal ) { case " red " : console . log ( " Stop " ); break ; case " yellow " : console . log ( " Get Ready " ); break ; case " green " : console . log ( " Go " ); break ; default : console . log ( " Invalid signal " ); } 4) ATM Withdrawal let balance =