Trace the evaluation of the following expression using class Postfix_Evaluator. Show the operand stack each time it is modified : 10 2 * 5 / 6 2 5 * + -

Here is an example of tracing what happens when the first operand is parsed:

Experssion	Action	Stack
10 2 * 5 / 6 2 5 * +	Push 10	10