function get_payment(cargo, ticks, amount, distance, cargo_aging_period) {
    const transit_days = Math.min((ticks / cargo_aging_period) | 0, 255);
    const days_over_days1 = Math.max(transit_days - cargo.transit_days_1, 0)
    const days_over_days2 = Math.max(days_over_days1 - cargo.transit_days_2, 0)
    const time_factor = Math.max(255 - days_over_days1 - days_over_days2, 31)
    return (distance * amount * time_factor * cargo.initial_payment) / (1 << 21)
    // return (Math.sqrt(distance) * 20 * amount * time_factor * cargo.initial_payment) / (1 << 21)
}