?To enhance and assess audience understanding, make your slides interactive by using Office Mix to __________. 

The Performance tab displays summary usage information for all of the following EXCEPT ________

A) Services B) CPU C) Memory D) Disk

Given the following class definition, what is missing?

class ItemClass { public: ItemClass(int newSize, float newCost); int getSize(); float getCost(); void setSize(int newSize); void setCost(float newCost); private: int size; float cost; }; a. nothing b. a default constructor c. accessor functions d. mutator functions