Appendix: Completing an End-of-Period Spreadsheet Alert Security Services Co. offers security services to business clients. Complete the following end-of-period spreadsheet for Alert Security Services Co.: If an amount box does not require an entry, leave it blank. Alert Security Services Co. End-of-Period Spreadsheet (Work Sheet) For the Year Ended October 31, 20Y7 Adjusted Trial Balance Income Statement Balance Sheet Account Title Dr. Cr. Dr. Cr. Dr. Cr. Cash 139 Accounts Receivable 1,021 Supplies 46 Prepaid Insurance 35 Land 1,160 Equipment Accumulated Depreciation Accounts Payable 464 93 418 Wages Payable 46 Brenda Schultz, Capital 2,017 Brenda Schultz, Drawing 93 Fees Earned 1,137