VB - If Statement - Stop The Last Line, Begvalue = Begvalue - Depreciation, From Showing Up In The Listbox

To do is stop the last line, begvalue = begvalue - depreciation, from showing up in the listbox. I tried an if statement but that doesn't work

Depreciation to a Salvage Value of 0. For tax purposes an item may be depreciated over a period of several years, n. With the straight-line method of depreciation, each year the item depreciates by 1/nth of its original value. With the double-declining-balance method of depreciation, each year the item depreciates by 2/nths of its value at the beginning of that year. (In the last year, it is depreciated by its value at the beginning of the year.) Write a program that performs the following tasks:

Requests a description of the item, the year of purchase, the cost of the item, the number of years to be depreciated (estimated life), and the method of depreciation. The method of depreciation should be chosen by clicking one of two buttons. Displays a depreciation schedule for the item similar to the schedule shown in Figure 6.23. Figure 6.23. Depreciation schedule for Programming Project 7. [URL]

This is the code I have so far:

Dim yearpurchased, cost, life, depreciation, begvalue, total As Double

Dim item As String

[CODE].........................

I need to get the last two numbers on the bottom right of the table.