I need help in this question. Please I have only 40 minutes. Please do it correctly and 100% and post complete and correct solution

Equipment is purchased for $155,000. It will generate revenues of $44,000 per year for the next 12 years. Maintenance costs are expected to average $10,000 per year. Using straight-line depreciation, $0 salvage value and a total income tax rate of 34%, state here on Blackboard the after-tax rate of return (in percent to 2 decimal places, like 9.38%) for this equipment