Hell's Kitchen JS Advanced

function solve() {
   document.querySelector('#btnSend').addEventListener('click', onClick);

   function onClick () {
      let input = JSON.parse(document.querySelector('#inputs textarea').value);

      let currentAverageSalary = 0;
      let averageSalary = 0;
      let totalSalary = 0;
      let bestRestaurant = '';
      let output = {};

      for (let line of input) {
         let restaurantInfo = line.split(' - ');
         let restaurantName = restaurantInfo.shift();
         let workersData = restaurantInfo[0].split(', ');

         for (let worker of workersData) {
            let [workerName, workerSalary] = worker.split(' ');

            if (!output.hasOwnProperty(restaurantName)) {
               output[restaurantName] = {};
            }
            if (output.hasOwnProperty(restaurantName)) {
               output[restaurantName][workerName] = Number(workerSalary);
            }
         }
      }
      let entries = Object.entries(output);

      for (let entry of entries) {
         let restName = entry[0];
         let values = Object.entries(entry[1]);

         for (let [name, salary] of values) {
            totalSalary += salary;
         }

         averageSalary = totalSalary / values.length;

         if (averageSalary > currentAverageSalary) {
            currentAverageSalary = averageSalary;
            bestRestaurant = restName;
            totalSalary = 0;
         }
      }

      let result = Object.entries(output[bestRestaurant]).sort((a, b) => b[1] - a[1]);

      let print = '';
      result.forEach(w => print += `Name: ${w[0]} With Salary: ${w[1]} `);

      document.querySelector('#bestRestaurant p').textContent = `Name: ${bestRestaurant} Average Salary: ${currentAverageSalary.toFixed(2)} Best Salary: ${(result[0][1]).toFixed(2)}`;

      document.querySelector('#workers p').textContent = print;
   }
}