Financially Straight How-To Prepare For Tax Season Guide: A Guide designed to assist Small Business Owners with the knowledge of formulas and calculations of Rental Income, Cost of Goods Sold and Cash Sales / Receipts for easy access of financial information. There are 4 sets of spreadsheets: 12 for each category of Rental Income, Cost of Goods Sold, Cash Sales / Receipts and Schedule C Expenses (some, please see your Tax Forms for the full list of Schedule C Expenses)