Cat Expenses

function catExpenses(input) {

    let bed = Number(input[0]);
    let toilet = Number(input[1]);

    let food = toilet * 1.25;
    let toys = food / 2;
    let vet = toys * 1.1;
    let sum = (toilet + food + toys + vet) * 12 * 1.05 + bed;

    console.log(`${sum.toFixed(2)}`);
}