Please solve manually or by hand, not a calculator or Spreadsheet. Thank you

Revenues generated by a new fad product are forecast as follows:

Year	Revenues
1	$55,582
2	40,000
3	20,000
4	10,000
Thereafter	0

Expenses are expected to be 50% of revenues, and working capital required in each year is expected to be 20% of revenues in the following year. The product requires an immediate investment of $40,000 in plant and equipment that will be depreciated using the straight-line method over 5 years. The firm recently spent $2,000 on a study to estimate the revenues of the new product. The tax rate is 20%. What is the operating cash flow in year 1? Answer to the nearest whole dollar amount.