Private Sub btn_exit_Click(sender As Object, e As EventArgs) Handles btn_exit.Click
        Me.Close()
    End Sub

    Private Sub btn_clear_Click(sender As Object, e As EventArgs) Handles btn_clear.Click
        txt_avg.Clear()
        txt_begin.Clear()
        txt_end.Clear()
        txt_sold.Clear()
        txt_turn.Clear()

    End Sub

    Private Sub txt_sold_TextChanged(sender As Object, e As EventArgs) Handles txt_sold.TextChanged

    End Sub

    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load

    End Sub

    Private Sub btn_calculate_Click(sender As Object, e As EventArgs) Handles btn_calculate.Click
        Dim begin_Inventory As Decimal = Decimal.Parse(txt_begin.Text)
        Dim end_Inventory As Decimal = Decimal.Parse(txt_end.Text)
        Dim cost As Decimal = Decimal.Parse(txt_sold.Text)

        Dim avg As Decimal = (end_Inventory + begin_Inventory) / 2
        Dim turnover As Decimal = cost / avg

        txt_avg.Text = avg.ToString("C")
        txt_turn.Text = txt_turn.ToString

    End Sub
End Class