main.cpp

#include <cmath>
#include <iomanip>
#include <iostream>
#include <string>

using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    if (!(cin >> n)) {
        return 0;
    }
    double total = 0.0;
    string best_name;
    double best_value = -1e100;
    for (int i = 0; i < n; ++i) {
        string name;
        double amount, rate, transport;
        int fee;
        cin >> name >> amount >> rate >> fee >> transport;
        double value = amount * rate * (100 - fee) / 100.0 - transport;
        total += value;
        if (value > best_value || (fabs(value - best_value) < 1e-9 && name < best_name)) {
            best_name = name;
            best_value = value;
        }
    }
    cout << fixed << setprecision(2);
    cout << "total_settlement=" << total << "\n";
    cout << "best_item=" << best_name << ' ' << best_value << "\n";
    return 0;
}