double TwoDayPackage::CalculateCost(){ //calculate shipping cost double weight = getWeight(); double cPO = getCostPerOunce(); return (weight * cPO + FlatFee); //return cost with flat fee factored in }
double OvernightPackage::calculateCost() { return (getWeight() * (getCostPerOunce() + feePerOunce)); }
// calculate shipping cost for package double Package::calculateCost() const { return getWeight() * getCostPerOunce(); } // end function calculateCost