code: function sumObjectValues(object, depth, level = 1) {
      let sum = 0;
      for (const i in object) {
          const value = object[i];
          if (isNumber(value)) {
              sum += parseFloat(value);
          } else if (isObject(value) && (depth < 1 || depth > level)) {
              sum += sumObjectValues(value, depth, ++level);
              --level;
          }
      }
      return sum;
  }
docs: Recursive function that computes the sum
  of all numeric values in an object
  
  @param {Object} object
  @param {Integer} depth
  @param {Integer} level
  @returns {Number}