Chapter 3.1, Problem 35E

In Exercises 33 through 40, determine the output displayed in the list box by the lines of code.

$\begin{array}{l}\text{Dim n As Integr }=7\\ \text{n}+=1\\ 1\text{stoutput}\text{.}\text{Items}\text{.}\text{Add}\text{(1)}\\ \text{1stoutput}\text{.}\text{Items}\text{.}\text{Add}\text{(n)}\\ \text{1stoutput}\text{.}\text{Items}\text{.}\text{Add}\text{(n}+1)\end{array}$