text: #include "bulk_quote.h"
  
  double Bulk_quote::net_price(std::size_t n) const {
      return n * price * (n >= min_qty ? 1 - discount : 1);
  }
  
  void Bulk_quote::debug() const {
      std::cout << "data members of this class:\n"
                << "min_qty= " << this->min_qty << " "
                << "discount= " << this->discount << " \n";
  }
  