/**
 * Calculate the total revenue given the price and quantity.
 *
 * @param price The price per unit.
 * @param quantity The quantity of units sold.
 * @return The total revenue.
 */
fun calculateTotalRevenue(price: Double, quantity: Int): Double {

    val totalRevenue = price * quantity
    return totalRevenue
}
/**
 * Calculate the total revenue given the price and quantity.
 *
 * @param price The price per unit.
 * @param quantity The quantity of units sold.
 * @return The total revenue.
 */
fun calculateTotalRevenue(price: Double, quantity: Int): Double {
/**
 * Calculate the total revenue given the price and quantity.
 *
 * @param price The price per unit.
 * @param quantity The quantity of units sold.
 * @return The total revenue.
 */
fun calculateTotalRevenue(price: Double, quantity: Int): Double {

    val totalRevenue = price * quantity
    return totalRevenue
}