var calculateTotalCosts = function (salary, numWorkers, city) {
    var fixedCosts = 5000;
    var variableCosts = (salary * numWorkers);
    if city === "NYC" {
        return (fixedCosts + variableCosts + 30000)
    } else {
        return (fixedCosts + variableCosts)
    }
}

calculateTotalCosts (30000, 7, "NYC")