Cost plus pricing is considered appropriate for which combination of the following?
i. Product Tailoring
ii. Public Utility pricing
iii. Refusal pricing
iv. Monopoly pricing
Choose the correct answer

A. public class Circle implements Shape { private int radius; }B. public abstract class Circle extends Shape { private int radius; }C. public class Circle extends Shape { private int radius; public void draw(); }D. public abstract class Circle implements Shape { private int radius; public void draw(); }E. public class Circle extends Shape { private int radius; public void draw() { /* code here */ } }F. public abstract class Circle implements Shape { private int radius; public void draw() { /* code here */ } }