ndry Associates offers a variety of 9. MULTIPLE PRODUCT BREAKEVEN POINT. Ta variable costs per job completed but low fixed costs. In fact, it only costs Roger Tando $25,000 a month in fixed costs to run his business. The details on tax and accounting services for local small businesses. It is a simple operation, with hich the various products Tandry offers are in the table below. Tandry Associates Price per Month $500 $750 $1,000 $600 $500 Variable Cost per Month Product Jobs Sold Basic Bookkeeping Tax Preparation Audit Services Billing Services Payroll Services $400 $600 $900 $500 $400 100 50 25 50 75