private void laptopHeader(Workbook workbook, Sheet sheet) {
        Row laptopHeader = sheet.createRow(2);
        for (int i = 0; i < laptopHeaders.size(); i++) {
            Cell cell = laptopHeader.createCell(i);
            cell.setCellValue(laptopHeaders.get(i));
            cell.setCellStyle(userHeaderStyle(workbook));
        }
    }

    private void laptopConfirmationHeader(Workbook workbook, Sheet sheet) {
        Row laptopHeader = sheet.createRow(11);
        for (int i = 0; i < laptopHeaders.size(); i++) {
            Cell cell = laptopHeader.createCell(i);
            cell.setCellValue(laptopHeaders.get(i));
            cell.setCellStyle(userHeaderStyle(workbook));
        }
    }