const prices = [2.80, 6.10, 1.50, 1.00, 8.99, 2.99]

function totalCost(prices){
    return prices.reduce((sum, item) => sum + item, 0)
}
function product(array){
    return array.reduce((total, num) => total*num, 1)
}
const pricePerKg = 1.50
const numberOfKg = 10
const conversionRate = 1.16
const conversion = [1.50, 10, 1.16]

const USprice = product([pricePerKg,numberOfKg,conversionRate])