(b) The following pseudo-code demonstrates the effect of scoping on variable bindings: a: integer procedure first a:=1 procedure second a: integer first() procedure main a:=2 second() write_integer (a) Discuss the process of finding the outputs based on the static and dynamic scoping during program execution. [3 marks] (c) The use of an operator for more than one purpose is referred as operator overloading, this incident is commonly applied in several languages. Show the example of operator overloading using the ampersand (&) as unary and binary operator in C++ language. [2 marks]