Compute the project's net present value. show your calculations please!

The following data concern an investment project: Investment in equipment 5110, 000 Annual cash inflows dollar 36,000 Required upgrade at end of year 2... dollar 14,000 Salvage value of the equipment dollar 10, 000 Working capital required dollar 50, 000 Life of the project 4 years Required rate of return 8 percentage The working capital will be released for use elsewhere at the conclusion of the project