3/7 total is not defined!spending 2hours on this...please help


#1



total is not defined, i am spending 2 hours on this please help me


var cashRegister = {
    total: 0,
//insert the add method here    
    add: function(itemCost) {
        total += itemCost;
        },
    
    
    scan: function (item) {
        switch (item) { 
        case "eggs": 
            this.add(0.98); 
            break;
        
        case "milk": 
            this.add(1.23); 
            break;
        
        //Add other 2 items here
        case "magazine": 
            this.add(4.99); 
            break;
            
        case "chocolate": 
            this.add(0.45); 
            break;                
        
        }
        return true;
    }
};

//Scan 2 eggs and 3 magazines
cashRegister.scan("magazine");
cashRegister.scan("magazine");
cashRegister.scan("magazine");
cashRegister.scan("eggs");
cashRegister.scan("eggs");
//Show the total bill
console.log('Your bill is '+cashRegister.total);


#2

this part

    add: function(itemCost) {
        total += itemCost;
        },

add this to total like that

    add: function(itemCost) {
        this.total += itemCost;
        },

#3

you are genius..............i feel shame.... thank you