Glenns Electronics, a small company, has set up a computer service. The table that follows shows the revenue expected for the first five months of operation, in addition to the costs for office remodeling and so on. Determine the cash flow and accumulated cash flow for the company. When is Glenns expected to show a profit?

July September October November August $36,000 $35,000 $42,000 $48,000 $57,000 Revenue Costs Office remodeling Salaries Training Equipment lease Supplies $13,300 $14,600 $16,000 $25,000 11,000 6,000 8,000 3,000 $8,000 12,100 6,000 8,480 3,150 9,000 3,300 9,540 3,460 10,110 3,630