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JavaScript JavaScript Array Iteration Methods Combining Array Methods Combining filter() and reduce()

Why is it telling me "Both the `reduce` and `filter` have not been called?

can someone help me see the error in my code?

app.js
const purchaseItems = [
    {
        name: 'apples',
        dept: 'groceries',
        price: 2.49
    },
    {
        name: 'bread',
        dept: 'groceries',
        price: 2.99
    },
    {
        name: 'batteries',
        dept: 'electronics',
        price: 5.80
    },
    {
        name: 'eggs',
        dept: 'groceries',
        price: 3.99
    },
    {
        name: 't-shirts',
        dept: 'apparel',
        price: 9.99
    }
];
let groceryTotal;

// groceryTotal should be: 9.47
// Write your code below

groceryTotal = purchaseItems
  .filter(item => item.dept === 'groceries')
  .reduce((total, item) => total + item.price, 0)
  .toFixed(2);
Juan Luna Ramirez
Juan Luna Ramirez
8,988 Points

Maybe the challenge test is looking for the groceryTotal to be a number. I would try to remove the last line toFixed(2) since this returns a string. Can't think of anything else since this code looks good to me.