Please give the calculation procedure. Thank you

ABC Software is considering a new project whose data are shown below. The equipment that would be used has a 3-year tax life, and the allowed depreciation rates for such property are 33%, 45%, 15%, and 7% for Years 1 through 4. Revenues and other operating costs are expected to be constant over the project's 8-year expected life. What is the Year 1 cash flow? Equipment price $50,000 Shipping and installation fee for the equipment $6,600 Sales revenues, each year $43,000 Operating costs (excl. depreciation) $32,000 Tax rate 28 3 450