Given the delegate declaration delegate void PerformsSomeTask(int arg1, double arg2);

which of the following represents a method heading that could be associated with the delegate?

a. int CalculateThis(int value1, double value2)

b. double CalculateThis(int value1, double value2)

c. void CalculateThis(int value1, double value2)

d. int CalculateThis( )

e. all of the above