private static void CountLastStroke(IExcelService excel, int startRow, int iRow, decimal oldFinalPrice)
{
excel.SetCells(iRow, "G", string.Format("=SUM(G{0}:G{1})", startRow, (iRow - 1)));
excel.SetCells(iRow, "H", string.Format("=G{0}-F{1}*E{2}", iRow, iRow, iRow));
excel.SetCells(iRow, "N", string.Format("=SUM(N{0}:N{1})", startRow, iRow - 1));
excel.SetCells(iRow, "O", string.Format("=N{0}-F{1}*E{2}", iRow, iRow, iRow));
excel.SetCells(iRow, "P", string.Format("=G{0}-N{1}", iRow, iRow));
excel.SetCells(iRow, "Q", string.Format("=P{0}/G{1}", iRow, iRow));
if (excel.GetCell(iRow, "N") == "0" || excel.GetCell(iRow, "N") == "-")
{
excel.SetCells(iRow, "N", oldFinalPrice);
}
}