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Option Explicit On
Option Strict On

Imports System.Globalization

Public Class MainForm

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles calcButton.Click
        Dim sales As Decimal
        Dim commissionRate As Decimal
        Dim commission As Decimal
        Dim isconverted As Boolean

        isconverted = Decimal.TryParse(salesTextBox.Text, sales)
        isconverted = Decimal.TryParse(comissionRateTextBox.Text, commissionRate)
        isconverted = Decimal.TryParse(commissionTotalLabel.Text, commission)

        commissionRate = commissionRate / 100
        commissionTotalLabel.Text = (sales * commissionRate).ToString("c2")


    End Sub

    Private Sub MainForm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub

    Private Sub exitButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles exitButton.Click
        Me.Close()
    End Sub
End Class