private float computePrice(MachineType flavor) {
    // We compute the per-hour price so we can choose the smallest/cheapest instance size

    float price = 0;

    int cpus = flavor.getGuestCpus() != null ? flavor.getGuestCpus() : 0;
    int memoryMb = flavor.getMemoryMb() != null ? flavor.getMemoryMb() : 0;

    // // RAM is $0.10 / hour / GB
    // price += (0.10 / 1024.0) * ram;

    // // Disk is $0.10 / hour / TB
    // int disk = flavor.getDisk();
    // price += (0.10 / 1024.0) * disk;

    // CPUs are $0.145 / hour / vCPU
    price += 0.145 * cpus;

    return price;
  }