The Shipment class holds information about a shipment, including its weight. An overloaded...

The Shipment class holds information about a shipment, including its weight. An overloaded division operator divides a Shipment’s totalWeight field into the number of packages in the Shipment to determine the average package weight. The function header is int Shipment::operator/(int packages). Which of the following statements is correct within the function?

a. int numPackages = Shipment / packages;

b. int numPackages = totalWeight / packages;

c. int numPackages = packages.totalWeight / packages;

d. int numPackages = packages.totalWeight / totalWeight;