Appendix 1 EX 4-24 Adjustment data on an end-of-period spreadsheet Alert Security Services Co. offers security services to business clients. The trial balance for Alert Security Services Co. has been prepared on the following end-of-period spreadsheet for the year ended October 31, 20Y5: Alert Security Services Co. End-of-Period Spreadsheet Appendix 1 EX 4-24 Adjustment data on an end-of-period spreadsheet Alert Security Services Co. offers security services to business clients. The trial balance for Alert Security Services Co. has been prepared on the following end-of-period spreadsheet for the year ended October 31, 20Y5: Alert Security Services Co. End-of-Period Spreadsheet