Given the below program, please answer the following questions:

a) List variables used in the below event procedure

b) List built-in functions in the event procedure

c) List all the dot notations that combine a control name and a property name with a dot.

d) Which control does the event procedure respond to?

e) If you type 123 into text box a_box, what are the values of a_box.Text and a_val respectively?

f) If the value of variable Temp1 is 457.900, what is the value of Root1.Text?

End Sub